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【多选题】
能与托伦试剂作用的物质是A.
乙醛
B.
丙酮
C.
苯甲醛
D.
葡萄糖
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反馈参考答案：
举一反三
【单选题】行业成功关键因素分析主要用来解决的问题，不包括( )。
A.
顾客选择产品的因素
B.
企业竞争成功具备的资源和能力
C.
市场供求状况
D.
企业获得持续竞争优势的因素
【简答题】两个数之差为13，之和为41，请问两个数的平方差等于多少？（ ）
【单选题】Do you know who ________ using water in this way?
A.
benefits in
B.
benefits from
C.
benefits
D.
Benefit
【单选题】患者女性,50岁,有风湿性心脏病二尖瓣狭窄、心力衰竭,进行强心、利尿、扩血管治疗,以下药物不属于增强心肌收缩力类药物的是
A.
地高辛
B.
多巴酚丁胺
C.
氨力农
D.
氨茶碱
E.
毒毛花甙K
【单选题】In the past three months, Robert __________ more than twenty new employees.
A.
has train
B.
has trained
C.
have train
D.
have trained
【单选题】In the last three months, Robert __________ more than twenty new employees.
A.
had trained
B.
trains
C.
trained
D.
has trained
【单选题】Explorer Robert Ballard searched the sunken ship---the Titanic for more than 20 years and also, with his cameras, he _____ the hole along the side of the ship which had caused it to fill with water an...
A.
could find
B.
managed finding
C.
succeeded to find
D.
was able to find
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