The new drug will not be put on the market ___ it has proved safe. A. if B. since
The new drug will not be put on the market___ it has proved safe on humans,A.ifB.untilC.sinceD.when 相关知识点: 试题来源: 解析 正确答案:B解析:分析句子可知,此处需要使用时间状语从句形式,not一词经常和until一起使用,意为“直到……才……”,该结构经常用来引导时间状语,所以B)为正确答案。反...
Focuses on lotronex, a drug originally developed to treat schizophrenia which is approved to treat irritable bowel syndrome (IBS), a condition that has been called migraine of the gut. How the drugs work; Side effects; Information on IBS.EBSCO_AspHarvard Health Letter...
[单选题]The new drug will not be put on the market_it has proved safe on humans.A if until Csince Dwhen 相关知识点: 试题来源: 解析 B 解析:分析句子可知,此处需要使用时间状语从句形式,not一词经常和until一起使用,意为“直到……才……”,该结构经常用来引导时间状语,所以B为正确答案。 if用来...
a明天下午三点我要去南航办公室培训,大约一个多小时 South tomorrow afternoon three I want to go to navigation office training, about more than hours[translate] aThe new drug will not be put on the market until it has safe on humans 新的药物在市场上不会把放,直到它在人有保险柜[translate]...
1，until，not…until 直到…才。直到这个新药物被证明在人身上测试安全才会被投入市场。2，that，it was+被强调部分 that，是由于他在面试中的良好表现为他赢得了在大公司工作的机会。3，that，同位语从句evidence，fact，news等后接句子对抽象名词解释说明。没有他在谋杀现场的证据。
The new drug will not be put on the market ___ it has proved safe on humans. A、if B、since C、when D、until 点击查看答案&解析 你可能感兴趣的试题 单项选择题 Which of the following ions cause excitation-contraction coupling A、Ca2+ B、Cl- C、K+ D、Na+ 点击查看答案&解析 问答题 ....
BEIJING, Jan. 28 (Xinhua) -- China has adopted a fast-track approach in its drug evaluation and approval system, allowing more new domestic drugs, innovative drugs and imported drugs to hit the market in 2018. Last year, the Center for Drug Evaluation of State Drug Administration (SDA) pro...
The meaning of NEW DRUG is a drug that has not been declared safe and effective by qualified experts under the conditions prescribed, recommended, or suggested in the label and that may be a new chemical formula or an established drug prescribed for use
Before one new drug is put into the market, it is first used on healthy volunteers to()that the drug is safe for further use. A. ascertain B. declare C. announce D. preach 相关知识点: 试题来源: 解析 A 动词同义词辨析题。A ascertain:确定,弄清,查明,与句意相符。其它各项不符合句意...