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【单选题】
急性有机磷农药中毒的发病机制最主要的是A.
碳氧血红蛋白蓄积
B.
交感神经过度兴奋
C.
抑制胆碱酯酶活性
D.
血红蛋白蓄积
E.
争夺乙酰胆碱受体
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举一反三
【简答题】10电路如图所示,电路有 节点和 网孔。
【单选题】——Honey, this is a present for your birthday. ——Ah! A pair of shoes, a well-known brand—Nike! I think it must _______ comfortably.
A.
be worn
B.
be wearing
C.
have worn
D.
wear
【单选题】Anyone canthe cultural revolution nowadays.
A.
judgement
B.
punish
C.
comment
D.
criticize
【单选题】- Honey, this is a present for your birthday. - Ah! A pair of shoes, well-known-brand – Nike. I think it _______ comfortable:
A.
is worn
B.
wears
C.
is wearing
D.
has worn
【单选题】国务院总理李克强将于7月1日至2日出席在大连举行的第十三届夏季达沃斯论坛。本届论坛主题为“()”。
A.
领导力4.0：全球化新时代的成功之道
B.
全球化4.0：打造第四次工业革命时代的全球结构
C.
重塑世界:对社会、政治和商业的影响
D.
大转型：塑造新模式
【单选题】Jimmy: I think honeybees are very useful insects. They make honey for us. Amy: ______ They also help the flowers grow into a fruit. Jimmy: But I don't like termites. I think they're disgusting. Amy: _...
A.
I love honey very much. Me too.
B.
That's a good point. I 'm not sure I agree with you.
C.
They never do the least harm to us. That's wrong.
D.
We have different opinions. On the contrary, they are not disgusting.
【单选题】--Mum, I don’t think I am qualified enough to do this. --Honey, be confident! You should know it is ____ a man thinks of himself ___ really determines his fate.
A.
that; that
B.
how; that
C.
what; that
D.
how; that
【简答题】在建立电路方程时,选网孔电流或节点电压为求解变量是因为网孔电流和节点电压具有____性。
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