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The scientists are trying to find out if masks may or may not__________
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更多“The scientists are trying to find out if masks may or may not__________”相关的问题
第1题
A．Because scientists insist they are harmless.
B．Because the protestors aren't very big and powerful.
C．Because they are critical for understanding and curing human diseases.
D．Because there are enough regulations to protect animals from abuse.
第3题
Which of the following is INCORRECT as regards scientists？
A．Many people assume that scientists can do well in handling political affairs.
B．German scientists did research on atomic bombs.
C．Generally people don"t regard an economist as a scientist.
D．Scientists prefer laboratory work to administration.
第4题
A．Y
B．N
C．NG
第5题
Scientists think American mink has more useful fur.
A．Right.
B．Wrong
C．Doesn't Say.
第6题
Scientists resist talking about their options because they don't want people to
A．know what they are doing.
B．feel their efforts are useless.
C．think the problem has been solved.
D．see the real problem.
第7题
Now,scientists still don't really know______．
A．whether animals can think about the past and the future
B．how children learn and what happens when we speak
C．why animals can understand some things more quickly than human beings
D．at what age,a child can speak his language very well
第8题
The cause of the disappearances of ships and planes in the area is ______.
A．inexplicable to scientists
B．known only to laymen
C．known only to scientists
D．comprehensible only to scientists
第9题
What do we learn about scientists in earlier times？
A．They claimed to know nothing about nature.
B．They believed in results from scientific observation.
C．They paid much attention to the problems they didn't understand.
D．They invented false theories to explain things they didn't understand.
第10题
All of the following statements are true of climate scientists EXCEPT that
A．they are all clued up about climate.
B．they don't know much about climate.
C．they are probing into the field of climate.
D．they are uncertain of climatic phenomena.
第11题
In the author's opinion ______.
A．since people can lie, the problem about the rights of scientists can't be solved
B．animal-protecting organizations should be held responsible for acts of violence against scientists
C．animal protection organizations should be declared illegal
D．the scientists should take effective measures to protect themselves
