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【单选题】
Which of the following happened in 1812?A.
America was attacked by the British.
B.
America's national flag was invented.
C.
America's national flag was well accepted.
D.
America's national anthem was born.
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举一反三
【单选题】— Have you finished reading Jane Eyre? — No. I ____ my homework all day yesterday. [ ]
A.
was doing
B.
would do
C.
had done
D.
do
【单选题】– May I go to play basketball now , mum? -No. You ()finish your homework first.
A.
can
B.
must
C.
may
D.
need
【单选题】—Can I play computer games now, Mum? —No. You _______ finish your homework first. [ ]
A.
will
B.
can
C.
would
D.
must
【简答题】（本小题满分14分） 已知函数 （ ）。 ⑴函数 在区间 上单调递增，在区间 上单调递减，求实数 m 的值； ⑵当 时，函数 的图象上的任意一点切线的斜率恒大于 ，求实数 m 的取值范围
【单选题】— You look pale. Did you sleep well？ — No. It was already midnight ____ I finished my homework.
A.
before
B.
when
C.
that
D.
since
【单选题】—He couldn't have finished his homework last night, _________he? —No. You see, he is busy doing it now. [ ]
A.
has
B.
could
C.
must
D.
did
【简答题】若函数 在区间 上单调递增，则实数 的取值范围为
【单选题】单项选择。 — Let's go to the movie theatre _______ a movie. — No. I have much homework to do. [ ]
A.
watches
B.
to watch
C.
watching
D.
watch
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