单项选择题
Not all the new drugs have been sufficiently tested for safety.
A.所有的新药都不得进行必要的安全检查。
B.所有的新药都未必进行过充分的安全检查。
C.并非所有的新药都进行了必要的安全检查。
D.并非所有的新药都经过了充分的安全检测。
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单项选择题
The most dangerous and costly stunts can be done by ______.
A. using computer graphics only
B. mixing computer graphics and live actions
C. improving the effects of real stunts
D. increasing the number of the stunt people
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单项选择题
What kind of the course is E24
A. It’s a composition one.
B. It’s a conversational one.
C. It’s for listening skills.
D. It’s a grammar one.
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