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【单选题】
According to the author, it is not the president's responsibility to ______.A.
name his assistants
B.
question the constitutionality of a law
C.
have an equal status with Congress
D.
enforce the laws passed by Congress
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【单选题】下列关于叶绿体和线粒体的叙述,正确的是
A.
细胞生命活动所需的能量均来自线粒体
B.
线粒体基质和叶绿体基质所含的酶种类均相同
C.
叶绿体在光下和黑暗下均能合成ATP
D.
线粒体和叶绿体均含有少量的DNA
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A.
I think so
B.
I don't think so
C.
I love them
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【单选题】I _____________ so terrible now if I ____________ so much pizza for lunch.
A.
would not had felt / ate
B.
wouldn’t feel / hadn’t eaten
C.
wouldn’t felt / hadn’t eaten
D.
wouldn’t have felt / had eaten
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