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【简答题】
下列哪些属于合同履行的原则?（ ）
拍照语音搜题，微信中搜索"皮皮学"使用
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】---Mum,_______ I watch TV? ---No. Unless your homework _______________.
A.
could; finishes
B.
can; will finish
C.
may; is finished
D.
can; will be finished
【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
【单选题】厌氧消化过程可以分为:( )
A.
水解酸化阶段和产甲烷阶段
B.
水解酸化阶段和产氢产酸阶段
C.
产氢产酸阶段和产甲烷阶段
D.
水解酸化阶段、产氢产乙酸阶段和产甲烷阶段
【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】.--- Have you finished your homework? --- No. I ______ Good Voice of China on Zhejiang TV all day yesterday.
A.
was watching
B.
have watched
C.
watch
D.
would watch
【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
【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
【单选题】厌氧消化过程可以分为() 。
A.
水解酸化阶段和产氢产乙酸阶段
B.
水解酸化阶段、产氢产乙酸阶段和产甲烷阶段
C.
水解酸化阶段和产甲烷阶段
D.
产氢产乙酸阶段和产甲烷阶段
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