更多"[不定项选择题]Passage Four
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[不定项选择题]Passage Four
Magic(魔法)often forces us not to believe our own eyes or even appears to be breaking the laws of physics or nature! The word“magic”has many different meanings．When a bird appears in a hat or when someone declares that he could see into the future--both can be called magic．When a sick person suddenly becomes well or a well person(or even animal)becomes ill, magic is the cause．The British author Terry Pratchett uses magic a great deal in his popular Discworld series of books．
Magic has always been used for fun．People enjoy working out in which cup the little ball is or how he knows which card l was thinking of．Harry Houdini was one of the first world-famous magicians—famous for escaping from deadly situations．Recently David Copperfield，or David Blane，has become very popular for his“unbelievable abilities”，such as making the Statue of Liberty disappear or rise．
Magical rings and three—headed dogs may not be real，but does this mean nothing magical really exists? Can you always explain how the magician has done the card trick? Maybe it is better not to explain，but to leave a little magic in our lives．Pick a card．any card．．．
What does the author think of magic?
A.It changes our lives．
B.It provides people with fun．
C.It breaks the laws of physics．
D.It explains strange things in our lives．
[不定项选择题]Magic(魔法)0ften forces us not to believe our own eyes or even appears to be breaking
the laws of physics or nature! The word " magic"has many different meanings. When a bird appears in a hat or when someone declares that he could see into the future--both can be called magic. When a sick person suddenly becomes well or a well person (or even animal)becomes ill, magic is the cause. The British author Terry Pratchett uses magic a great deal in his popular Discworld series of books.
Magic has always been used for fun. People enjoy working out in which cup the little ball is or how he knows which card I was thinking of. Harry Houdini was one of the first world-famous magicians--famous for escaping from deadly situations. Recently David Copperfield, or David Blane, has become very popular for his " unbelievable abilities", such as making the Statue of Liberty disappear or rise.
Magical rings and three-headed dogs may not be real, but does this mean nothing magical really exists? Can you always explain how the magician has done the card trick? Maybe it is better not to explain, but to leave a little magic in our lives. Pick a card, any card...
What does the author think of magic?
A.It provides people with fun.
B.It changes our lives.
C.It explains strange things in our lives.
D.It breaks the laws of physics
[不定项选择题]Progressives often support diversity mandates as a path to equality and a way to level the playing field. But all too often such policies are an insincere form of virtue-signaling that benefits only the most privileged and does little to help average people.
A pair of bills sponsored by Massachusetts state Senator Jason Lewis and House Speaker Pro Tempore Patricia Haddad, to ensure “gender parity” on boards and commissions, provide a case in point.
Haddad and Lewis are concerned that more than half the state-government boards are less than 40 percent female. In order to ensure that elite women have more such opportunities, they have proposed imposing government quotas. If the bills become law, state boards and commissions will be required to set aside 50 percent of board seats for women by 2022.
The bills are similar to a measure recently adopted in California, which last year became the first state to require gender quotas for private companies. In signing the measure, California Governor Jerry Brown admitted that the law, which expressly classifies people on the basis of sex, is probably unconstitutional.
The US Supreme Court frowns on sex-based classifications unless they are designed to address an “important” policy interest, Because the California law applies to all boards, even where there is no history of prior discrimination, courts are likely to rule that the law violates the constitutional guarantee of “equal protection”.
But are such government mandates even necessary? Female participation on corporate boards may not currently mirror the percentage of women in the general population, but so what?
The number of women on corporate boards has been steadily increasing without government interference. According to a study by Catalyst, between 2010 and 2015 the share of women on the boards of global corporations increased by 54 percent.
Requiring companies to make gender the primary qualification for board membership will inevitably lead to less experienced private sector boards. That is exactly what happened when Norway adopted a nationwide corporate gender quota.
Writing in The New Republic, Alice Lee notes that increasing the number of opportunities for board membership without increasing the pool of qualified women to serve on such boards has led to a “golden skirt” phenomenon, where the same elite women scoop up multiple seats on a variety of boards.
Next time somebody pushes corporate quotas as a way to promote gender equity, remember that such policies are largely self-serving measures that make their sponsors feel good but do little to help average women.
Which of the following can be inferred from the text?
A.Women’s need in employment should be considered.
B.Feasibility should be a prime concern in policymaking.
C.Everyone should try hard to promote social justice.
D.Major social issues should be the focus of legislation.
[不定项选择题]根据下面资料，回答题
I′ve often wondered how exactly sleep, or lack of it, can have such an awful effect on our bodies and, guess what, how much we sleep switches good genes on and bad genes off.
In the first half of 2013, the Sleep Research Centre at the University of Surrey found a direct link between hours spent sleeping and genes. Every cell in our bodies carries genetic instructions in our DNA that act as a kind of operating handbook. However, each cell only "reads" the part of this handbook it needs at any given moment.
Can sleep affect how a gene reads instructions It′s a question asked by Professor Derk-Jan Dijk at the University of Surrey. He set up an experiment and asked his volunteers to spend a week sleeping around seven and a half hours to eight hours a night and the next sleeping six and a half to seven hours.
Blood samples were taken each week to compare which genes in blood cells were being used during the long and short nights. The results were rather surprising. Several hundred genes changed in the amount they were being used, including some that are linked to heart disease, cancer, and Type 2 diabetes. Genes to do with cell repair and replacement were used much less.
Sleep restriction (six and a half to seven hours a night) changed 380 genes. Of these,220 genes were down regulated (their power was reduced), while 160 were up regulated (their power was increased). Those affected included body-clock genes which are linked to diabetes. One of the most downgraded genes is that which has a role in controlling insulin and is linked to diabetes and insomnia. The most upgraded gene is linked to heart disease.
So changing sleep by tiny amounts can upgrade or downgrade genes that can influence our health and the diseases we suffer from when we sleep too little.
The important message is that getting close to eight hours of sleep a night can make a dramatic difference to our health in just a few days through the way it looks after our genes.
What can we learn about Professor Derk-Jan Dijk′ s experiment 查看材料
A.The experiment was carried out to find the answer to how genes affect sleep.
B.The experiment took a period of more than two weeks to reach a conclusion.
C.His volunteers were divided into two groups with two different sleeping patterns.
D.Blood samples of the volunteers were checked afterwards to decide how many genes changed in sleeping.
[不定项选择题]共用题干
A家具生产企业木加工车间内有油漆木制件的砂、抛、磨加工等工序，车间内有有机溶剂和废弃的油漆桶等。车间的除尘净化系统采用反吹布袋除尘器。因新增了设备并扩大了生产规模，致使车间内粉尘浓度超标。为了治理车间内粉尘污染，将布袋除尘器由原有的4套增加到8套，车间内木粉尘浓度经处理后小于10mg/m3。
2 0 0 8年7月5日9时2 0分，除尘净化系统3号除尘器内发生燃爆着火，并瞬间引起4号除尘器内燃爆着火，造成燃爆点周边20m范围内部分厂房和设施损坏。由于燃爆区域内当时无人，未造成人员伤亡。
根据以上场景，回答下列问题（共14分，每小题2分，1～3题为单选题，4～7题为多选题）：
该企业生产过程中产生的木粉尘属于 ( )
A.无机性粉尘
B.有机性粉尘
C.混合性粉尘
D.二次扬尘
E.次生粉尘
