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【多选题】
吡啶环的开环反应有( )A.
水解反应
B.
二硝基氯苯反应
C.
芳伯氨基反应
D.
硫酸-荧光反应
E.
戊烯二醛反应
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【单选题】Human beings are different from animals ______ they can use language as a tool to communicate.
A.
for that
B.
in which
C.
lest
D.
in that
【简答题】设计调研的方法有(),其中()中我们可以使用线上统计工具生成饼状图、条形图、柱形图及关键词词云。 A.访谈法B.问卷法C.观察法
【单选题】We learn from the passage that the author ______.
A.
comments on three different opinions
B.
favours one of the three opinions
C.
explains an opinion of his own
D.
revises someone else's opinion
【单选题】The food _______ my country is quite different ______that here.
A.
in; like
B.
to; from
C.
from; to
D.
in; from
【单选题】Homesickness is a feeling______.
A.
caused by an alienation from different culture
B.
widely felt but rarely discussed
C.
destructive for individual progress and prosperity
D.
to which people hold cosmopolitan outlooks are immune
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