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【单选题】
用Na2C2O4作为基准物质标定0.10 mol/ L的 KMnO4溶液浓度时,滴定时选用的指示剂是
A.
酚酞
B.
二苯胺磺酸钠
C.
KMnO4
D.
铬黑 T
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【单选题】在2016年二十国集团领导人杭州峰会上,习近平主席首次全面阐述平等、开放、合作、共享的( )观。
A.
发展创新
B.
绿色金融
C.
全球经济治理
D.
全球贸易发展
【单选题】世界上第一个观察微生物的伟大科学家是
A.
列文虎克
B.
巴斯德
C.
郭霍
D.
琴纳
E.
弗莱明
【单选题】世界上第一个观察微生物的伟大科学家是
A.
郭霍
B.
巴斯德
C.
列文虎克
D.
琴纳
E.
弗莱明
【单选题】下列哪种药物属于广谱抗癫痫药物:
A.
卡马西平
B.
苯巴比妥
C.
丙戊酸钠
D.
戊巴比妥
E.
乙琥胺
【单选题】Ten members were present at the meeting, _____________ myself.
A.
including
B.
containing
C.
included
D.
contained
【判断题】--- What time will the next train leave? --- At 8.19.()
A.
正确
B.
错误
【单选题】What is a train?
A.
A train is carrying people or goods from one place to another.
B.
A train use freight cars to transport goods or cargo.
C.
A train is passenger-carrying vehicles that can often be very long and fast.
D.
A train is a form of rail transportation consisting of a series of vehicles that usually runs along a rail track to transport cargo or passengers
【单选题】_____ myself, ten members were present at the meeting.
A.
Including
B.
By
C.
For
D.
except
【单选题】世界上第一个观察微生物的伟大科学家是
A.
列文虎克
B.
巴斯德
C.
郭霍
D.
琴纳
【单选题】听力原文:The snowstorm brought train travel to a standstill. What happened to train travel?
A.
Trains were stuck in the snow.
B.
People couldn't get train tickets.
C.
Many people had to stand on the train.
D.
Train travel was suspended because of severe snowstorm.
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