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【单选题】
A2题型】女33岁,闭经,尿妊娠试验阳性,孕59天流产,主要症状是A.
阴道流血和腹痛
B.
尿妊娠试验阴性
C.
子宫与孕相等
D.
扩张 O
E.
妊娠反应消失
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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
【单选题】Using a mobile phone while driving is not dangerous at all. My friends and I often talk on the phone while driving, but none of us has been in any traffic accidents.
A.
Slippery Slope
B.
Bandwagon
C.
Ad Hominem
D.
Hasty Generalization
【单选题】Km的叙述中,错误的是:
A.
Km的单位是mol/L
B.
Km增大,酶与底物亲和力增大
C.
Km增大,酶与底物亲和力减小
D.
Km值是特征性常数
E.
同工酶的Km值不相同
【单选题】--None of us has any idea how long we're going to stay here. --___________.
A.
So do I
B.
Nor do I
C.
Nor I do
D.
So I do
【单选题】——None of us has any idea how long we're going to stay here.
A.
_____.
B.
So do I
C.
Nor do I
D.
Nor I do
E.
So I do
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