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【单选题】
细胞代谢受酶的调节和控制。下列叙述正确的是A.
激素都是通过影响细胞内酶活性来调节细胞代谢
B.
代谢的终产物可反馈调节相关酶活性，进而调节代谢速度
C.
同一个体各种体细胞酶的种类相同、数量不同，代谢不同
D.
对于一个细胞来说，酶的总类和数量不会发生变化
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举一反三
【单选题】Xiao Ming speaks English very well as if he ____ an Englishman.
A.
is
B.
be
C.
should be
D.
were
【简答题】Ablind date is_________ in Chinese.A. 盲目恋爱 B. 相亲
【简答题】A．He is not very knowledgeable. B．He is respectful of his students. C．He speaks too much in the class. D．He has traveled extensively.
【判断题】Going Dutch in a blind date is a good idea is a proper central idea expression.
A.
正确
B.
错误
【单选题】He speaks very good English but he knows ___________ English people. [ ]
A.
few
B.
little
C.
a few
D.
a little
【单选题】Why did the woman turn down a blind date with a man named Harry?
A.
Harry was dull.
B.
The name Harry sounded dull.
C.
She never met Harry.
D.
Harry is too impressive.
【单选题】_____ he’s only been learning English for a year, he speaks it very well.
A.
Considered
B.
Considering
C.
Having considered
D.
To consider
【单选题】--David speaks English very well. -- ______ .
A.
So he does, and so you do
B.
So does he, and so do you
C.
So he does, and so do you
D.
so does he, and so you do
【判断题】Blind date is a date where the people involved have not met each other previously. The match could have been arranged by mutual friends or bya dating system.
A.
正确
B.
错误
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