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【单选题】
有关病理性Q波的描述正确的是A.
深度超过同导联的1/4R波，时间超过0.04ms
B.
深度不超过同导联的1/4R波，时间超过0.04ms
C.
深度超过同导联的1/4R波，时间不超过0.04ms
D.
深度不超过同导联的1/4R波，时间不超过0.04ms
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举一反三
【单选题】My father will come back home tomorrow. He has ________for nearly two weeks. [ ]
A.
gone on vacation
B.
been on vacation
C.
gone to vacation
D.
been to vacation
【单选题】Look! My father has ______. [ ]
A.
five baseballs
B.
six soccer balls
C.
seven basketballs
D.
two ping-pong balls
【单选题】My father went to Shanghai yesterday. He ______ back in two weeks. [ ]
A.
comes
B.
has come
C.
will come
D.
came
【单选题】My father has ______ for two weeks. I miss him so much.
A.
left
B.
leave
C.
gone
D.
been away
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