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【单选题】
慢性心力衰竭时, 机体最有效的代偿方式是A.
心率加快
B.
心肌向心性肥大
C.
心肌离心性肥大
D.
血液红细胞增多
E.
潴留使血容量增多
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】确定目标;目标,靶子 v.&n.
【单选题】----- I haven’t heard from Henry for a long time. ----- What do you think ___________ to him?
A.
has happened
B.
to happen
C.
was happening
D.
had happened
【单选题】— Bob! How's your project? I heard you started it last Friday, right? — Oh! I _____ for it. But I haven't decided when to do it. [ ]
A.
have prepared
B.
had prepared
C.
have been preparing
D.
was preparing
【单选题】—I haven't heard from Henry for a long time. —What do you suppose _____ to him? [ ]
A.
will happen
B.
has happened
C.
was happening
D.
had happened
【单选题】-I haven't heard from Henry for a long time. -What do you think ________ to him?
A.
happening
B.
to happen
C.
has happened
D.
had happened
【单选题】每次γ刀治疗前需要进行检查的项目是（）
A.
计时器的准确性
B.
18mm头盔准直器的总输出剂量
C.
每个头盔的相对输出因子
D.
每个靶点的定位坐标
E.
应急电源
【单选题】--Bob, How is your project? I heard you started it last Friday, right? ---Oh, I ____for it. But I haven’t decided when to do it.
A.
have been preparing
B.
had prepared
C.
have prepared
D.
was preparing
【单选题】---- “I haven't heard from Henry for a long time.” ------ “What do you suppose_____ to him?”
A.
was happening
B.
to happen
C.
has happened
D.
had happened
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