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搜题
【判断题】
射血分数是指搏出量占心室舒张末期容积的百分比。A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】既可利用上游启动子，又可利用下游启动子的RNA聚合酶是______。 A．RNA聚合酶Ⅰ B．RNA聚合酶Ⅱ C．RNA聚合酶Ⅲ D．RNA聚合酶Ⅳ
【单选题】If he ________ crime, he wouldn ’ t be in his office now.
A.
committed
B.
would commit
C.
had committed
D.
commits
【简答题】Huckleberry Finn knew that he couldn't pray a lie and he would commit the crime of if he was playing double. (blaspheme)