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【判断题】
NH 3 的分子构型为三角锥形,而NH 4 + 离子的构型为正四面体形。A.
正确
B.
错误
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【简答题】首先请阅读以下广告： A. Want to keep abreast of the dynamic pulse of China’s economy? Get a glance at the most important business activities taking place here every day through Business Daily Update, a service ...
【单选题】china’s economy has increased , giving it a coveted place in world business.
A.
inexplicably
B.
instinctively
C.
markedly
D.
painstakingly
【简答题】Economy not in er 疫情面前,中国经济韧性仍在。 It has been nearly two months since the first case of novel coronavirus (新型冠状病毒) was found in Wuhan.uAs most people stay at home and many industries delay (推迟) the...
【简答题】Harmfulness of Fake Commodities In recent years, fake commodities dealing is a ( 1 ) phenomenon in the market. These fake commodities have done great harm to the consumers and to the society. Since t...
【简答题】China’s graduates will find it harder than ever to get jobs in the coming years, as China’s economy slows down and unemployment rises. Experts say a chronic（长期的）over-supply of graduates and a shortage...
【简答题】Since economic ________ up and reform policy began in 1978, China’s economy has grown 90 times bigger.
【单选题】The outbreak of the novel coronavirus has had a(n) ____ impact on China’s economy temporarily and rebound will come soon when the virus is contained.
A.
reverse
B.
diverse
C.
converse
D.
adverse
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