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【单选题】
按采伐方式不同而划分的森林作业法是()。A.
皆伐作业法、乔林作业法、择伐作业法和渐伐作业法
B.
皆伐作业法、矮林作业法和集约作业法
C.
皆伐作业法、择伐作业法和间伐作业法
D.
皆伐作业法、择伐作业法和渐伐作业法。
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皮皮学刷刷变学霸
举一反三
【单选题】I don‘t know when she ___ back, but give her the message if she comes in before two.
A.
is
B.
will be
C.
has been
D.
was
【单选题】—When did you go to the Palace Museum? —____________. [ ]
A.
Two days before
B.
Two days ago
C.
For two days
【判断题】When wecompare two things, we show how they are different; when we contrast two things, we show how they are similar.
A.
正确
B.
错误
【简答题】It was two days later __________ they began to discuss my suggestion. A) when B) that C) what D) on which
【单选题】None of us called the police when the two cars collided, ____?
A.
didn’t we
B.
don’t we
C.
did we
D.
do we
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