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【简答题】
心脏是输送血液的“泵”，一次心跳包括了心脏的收缩与舒张过程，下图是心脏工作示意图，请回答相关问题： （1）心脏能将血液泵至全身，主要是 组织收缩与舒张的结果。 （2）图中的心脏此时的工作状态是 其中［③］ 中的血液进入心脏的 。
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举一反三
【单选题】He() himself on the back for he was the only one to pass the exam.
A.
patted
B.
past
C.
passed
D.
put
【简答题】One can do a mail merger only after he___________.
【简答题】He is one of the boys who ______ here on time. He is the only one of the boys who ______here on time. A) has come; have come B) have come; has come C) has come; has come ...
【单选题】He is one of the teachers who _____ English but the only one of the teachers who _____ French in our school.
A.
know … knows
B.
knows … know
C.
knows… knows
D.
know … know
【简答题】He ______ (have) little chance of getting the job unless he is the only one to apply for the job.
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