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【单选题】
反映生产力发展水平的主要标志是A.
劳动者的经验技能
B.
生产工具的水平
C.
劳动对象的质量
D.
运输设备的状况
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【简答题】If he hadn’t been so (care), he wouldn’t have made so many spelling mistakes.
【简答题】(hybrid, deny, buzz, indication, stumble into, flexible, panic, faulty, leap,ironic) 1.It is more than a little 1 that some insurance companies can’t even ensure their own survival. 2.If he hadn’t 2 t...
【单选题】The title of the text is a question: “Was Einstein a Space Alien?” the author answers the question in the negative and illustrates his answer with various supporting facts. Please organize the facts i...
A.
Other physicists like Max Planck, more senior and experienced than Einstein, were closing in on the answer, but he got there first
B.
He felt all the pressure and responsibility of any young husband and father
C.
He failed in producing a unified field theory
D.
Galison: if Einstein hadn’t been born, his 1905 papers would have been written in some form by others
E.
His brain looked much like any other
F.
Einstein himself credited his discoveries to imagination and questioning more so than orthodox intelligence
【单选题】下列关于酶的km值的叙述正确的是
A.
是反应速度达到最大速度时的底物浓度
B.
不能反映酶对底物的亲和力
C.
对有多个底物的酶,其Km值相同
D.
对同一底物,不同的酶有不同的Km
【单选题】．__________, we would not have achieved so much.
A.
If they didn’t help us
B.
If it hadn’t been their help
C.
Weren’t it for their help
D.
Had it not been for their help
【简答题】药物效能反映药物_______的大小,而效价强度则反映药物与_______的大小。
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