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【判断题】
使用安定性差的汽油,会造成电喷发动机的喷嘴结胶。A.
正确
B.
错误
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【单选题】Nowadays，it is common to see people staring at their mobile phones instead of reading a real book，＿＿＿＿＿＿many experts are worried．
A.
when
B.
for which
C.
where
D.
about which
【简答题】Nowadays, instead of paying with cash, cheque, or credit cards, a consumer can use a cell phone to pay for a wide range of products and services. With mobile payment technology, people can also send m...
【单选题】Nowadays a large number of people but ______ Christmas trees instead of real ones.
A.
false
B.
fake
C.
sham
D.
artificial
【简答题】返回x的y次幂的函数是 _________
【简答题】返回x的y次幂的函数是
【单选题】患者，男性，21岁，半年前行右下第三磨牙垂直中位阻生齿拔除术，术后局部肿胀明显，开口中度受限。为了预防术后肿胀等反应，可考虑使用（）
A.
地塞米松
B.
酚磺乙胺（止血敏）
C.
抗菌药物
D.
碘仿药物
E.
阿司匹林
【单选题】Nowadays used to make articles (物品)instead of wood and metal.
A.
plastics is
B.
plastics are
C.
plastic
D.
plastic are
【简答题】Nowadays, many students choose to study applied science and hard skills instead of the humanities.
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