恒重
A. 避光并不超过20℃
B. 2~10℃
C. 对照品
D. 0.3mg以下
E. 不超过20℃
F. 10~30℃
G. 标准品
阴凉处
A. 避光并不超过20℃
B. 2~10℃
C. 对照品
D. 0.3mg以下
E. 不超过20℃
F. 10~30℃
G. 标准品
Questions 27 and 28 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now listen to the news. When did EU and US agree to suspend their cases before the US new complaint
A. Today.
B. This year.
C. In Feburary.
D. In January.
Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now listen to the passage. The tests work most effectively when it is used to measure
A. the whole information on a person.
B. one’s creative ability.
C. the skill one has learned.
D. the skill he will learn in the future.