[填空题]The high numbers show how very（）(confuse) it must be for consumers to identify them.

[填空题]The high numbers show how very ______ (confuse) it must be for consumers to identify them.

[填空题]Pesticides must be burned at very high temperature because high temperatures can limit ______.

[单项选择]Modern plastics can______ very high and very low temperatures.
A. stand
B. hold
C. carry
D. support

[简答题]The report showed us very clearly how the plane got______ and crashed in the end.

[简答题]Job seekers must learn how to use the Internet as a tool, rather than just relying on it as a means for submitting electronic resumes. (Line 1, Last Paragraph, Passage 4)

[单项选择]How much must the woman pay
A. $25
B. $50
C. $7O
D. $100

[单项选择]While we need to show young women how to protect themselves, these findings also demonstrate strongly that we need to help young men reject a culture that tells them relationships are based on showing power （　） others and that, as males, they need to prove their masculinity, （　） exercising this type of power.
A. against/for
B. on/with
C. to/in
D. over/by

[单项选择]The stolen jewels are of high value. They must be recovered （）.
A. by any means necessary
B. to any extent
C. at any cost
D. regardless of the cost

[单项选择]The necklace looks very beautiful. How much is it（）
A. I have no cash on me.
B. It’s too expensive.
C. That’s 160 yuan.
D. It is suitable for you.

[单项选择]A. Show the man how to use the copy machine.
B. Copy the message for the man.
C. Inform the man about the policy.
D. Call the man after she talks to the students.

[填空题]If you are very busy, how could you get the major information from the newspaper You could read the ______ and the

[单项选择]We have to realize how old, how very old, we are. Nations are classified as "aged" when they have 7 percent or more of their people aged 65 or above, and by about 1970 every one of the advanced countries had become like this. Of the really ancient societies, with over 13 percent above 65, all are in Northwestern Europe. We know that we are getting even older, and that the nearer a society approximates to zero population growth, the older its population is likely to be--at least, for any future that concerns us now.
To these now familiar facts a number of further facts may be added, some of them only recently recognized. There is the apparent paradox that the effective cause of the high proportion of the old is births rather than death. There is the economic principle that the dependency ratio--the degree to which those who cannot earn depend for a living on those who can--is more advantageous in older societies like ours than in the younger societies of the developing world, beca
A. all developed nations without exception.
B. every one of Western European countries.
C. countries in Northwestern Europe.
D. some European and American nations.

[单项选择]We have to realise how old, how very old, we are. Nations are classified as "aged" when they have 7 per cent or more of their people aged 65 or above, and by about 1970 every one of the advanced countries had become like this. Of the really ancient societies, with over 13 per cent above 65, all are in Northwestern Europe. We know that we are getting even older, and that the nearer a society approximates to zero population growth, the older its population is likely to be-- at least, for any future that concerns us now. 　　To these now familiar facts a number of further facts may be added, some of them only recently recognised. There is the apparent paradox that the effective cause of the high proportion of the old is births rather than deaths. There is the economic principle that the dependency ratio-- the degree to which those who cannot earn depend for a living on those who can--is more advantageous in older societies like ours than in the younger societies of the developing world, be
A. old people are more dependent than babies.
B. children are more handicapped than the aged.
C. the inactive aged are more reliable than children.
D. infants are more of a handicap than the elderly.