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【单选题】
下列关于肺循环的描述,哪错误的A.
起自右心室
B.
进入肺动脉的是静脉血
C.
血液与肺泡内的气体进行交换
D.
肺静脉开口心房
E.
经房室口与体循环相连续
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反馈参考答案：
举一反三
【单选题】What does the passage mainly talk about? 查看材料
A.
Americans' decreasing belief in global warming.
B.
The reason why Americans focus less on global warming.
C.
The measures taken to prevent global warming.
D.
Americans' attitude towards global warming.
【单选题】These photographs will show you __________. [ ]
A.
what does Baoshan New Area look like
B.
what Baoshan New Area looks like
C.
how does Baoshan New Area look like
D.
how Baoshan New Area looks like
【简答题】In a new situation, what does an intelt person usually try to do? To __________what to do about the situation.
【简答题】普通话以北京语音为标准音,以北方话为基础方言,以()为语法规范。
【简答题】According to the first email, what discount does Marsha get as a new customer?
【简答题】What does the man think should be sold for developing new markets?
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