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【简答题】
Part IIVocabulary & Sturcture(10 minutes) Directions: This part is to test your ability to construct correct and meaningful sentences. It consists of 2 sections. Section A Directions: In this section, there are 10 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked A), B), C) and D). Then you should mark the corresponding letter on the Answer Sheet with a single line through the center. 25. Their talks next week are expected to focus______ business management. A. A) on B. B) with C. C) in D. D) of
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【单选题】甲药比乙药安全的依据是
A.
甲药的LD 50 比乙药大
B.
甲药的LD 50 比乙药小
C.
甲药的LD 50 /ED 50 比乙药大
D.
甲药的LD 50 /ED 50 比乙药小
E.
以上均不是
【单选题】完成下列各选项 Expressing gratitude is an important form. of good manners． Nowadays more and more people in China have found it s high time to 11 a thankful heart for the young． Everyone likes to get praised...
A.
have
B.
cultivate
C.
share
D.
like
【简答题】More -agers smoke today than at any time since the 19 15 s, a federal study shows. Overall, 35% of children 1 grades 9-12 smoke cigarettes, a greater 2 than the 25% of s who smoke. 3 it is il...
【单选题】判断甲药比乙药安全的依据是:
A.
甲药的ED50比乙药大
B.
甲药的ED50比乙药小
C.
甲药的LD50/ED50比值比乙药大
D.
甲药的LD50/ED50比值比乙药小
【单选题】判断甲药比乙药安全的依据是
A.
甲药的ED 50 比乙药大
B.
甲药的ED 50 比乙药小
C.
甲药的LD 50 /ED 50 比值比乙药大
D.
甲药的LD 50 /ED 50 比值比乙药小
E.
甲药的最低抑菌浓度比乙药小
【单选题】甲药比乙药安全的依据是( )
A.
甲药的治疗指数比乙药大
B.
甲药的治疗指数比乙药小
C.
甲药的半数致死量比乙药大
D.
甲药的半数致死量比乙药小
E.
甲药的半数有效量比乙药小
【单选题】The average time between two high waters is 12 hours and 25 minutes because this is the time it takes for ___ .
A.
the Sun to be at the opposite side of the Moon
B.
the Moon to be at the opposite side of the Earth
C.
the Moon to be at its apogee
D.
the Sun and the Moon to be on the same side
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