更多"Tony shouldn’t have been involved i"的相关试题:
[简答题]Tony shouldn’t have been involved in it because ______ (正是那个意外事件让他破了产).
[填空题]Because people have been paying too much attention to the sulphur particles and other pollutants, they overlooked another problem, global warming.
[单项选择]He ______ have been nervous because he didn’t go straight in.
A. ought to
B. must
C. should
D. had to
[单项选择]
There have been several claims to have cloned humans over the past few years. Most have been bogus. But the announcement made this week by Woo Suk Hwang, of Seoul National University in South Korea, and his colleagues, is serious. It is the first to achieve the accolade of publication in a peer-reviewed scientific journal. Dr. Hwang s work appears in Science.
The terminology of human development has become slippery over the past few years, in the hands of both "life-begins-at-conception" propagandists who want to stop this sort of research, and publicity-seeking scientists who have claimed more than they have really achieved. What Dr. Hwang and his team have created is not what developmental biologists would normally refer to as an embryo. But it is a genuine scientific advance. South Korea’s researchers have taken egg cells from volunteer women, removed the nuclei from those cells (which contain only half of the genetic complement required to make a human
A. Different.
B. Fake.
C. Bold.
D. Genuine.
[单项选择]
[A] Because they have friendly service.[B] Because they are very crowded.[C] Because they are in the center of the town.
[单项选择]Children have been said to have brain-injured child syndrome, hyperactive (极度活跃的) child syndrome and attention-deficit disorder (ADD). As early as the 1940’s, psychiatrists have (67) children with hyperactivity and extremely distracted and impulsive (冲动的). These frequent name changes show how (68) researchers are about the causes (69) the problem and the diagnostic criteria for the disorders. In the past several years, the people who (70) attention deficit hyperactivity disorder (ADHD) have (71) to clarify the disorder’s causes and (72) , and have reasons to believe that it may be genetic. Today’s view (73) this disorder is very different from the beliefs of just a few years ago. Researchers are finding that ADHD is not a disorder of just attention, but is from a developmental (74) in the brain’s circuitry and self-control. The loss of self-control (75) other important brain functions mandatory for maintai
A. symbol
B. signal
C. mark
D. sign
