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【判断题】
常用的右旋螺纹的旋向，在螺纹代号中不标注A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Don’t worry. The blind man to walk across the road soon by the policeman.
A.
is helped
B.
will be helped
C.
was helped
D.
has been helped
【简答题】列举一些例子,说明你一天中对学习任务的安排。
【单选题】___ the road, don’t forget to look both ways.
A.
As crossing
B.
While you cross
C.
While crossing
D.
Cross
【单选题】When you see a red light, you must stop. When the green light is on, you may go or cross. The yellow light means wait.When you ________ a bike, keep to the right side of the road. Don’t cross the road...
A.
tried
B.
tired
C.
ride
D.
red
【单选题】—I’m sorry. There was too much traffic on the road. —Don’t be late again. The meeting for 15 minutes.
A.
has begun
B.
has stopped
C.
has been on
D.
has finished
【简答题】7，8，12，17，（ ），40
【单选题】There is ______ much traffic on the road. Don’t be in ______ a hurry.
A.
such; such
B.
such; so
C.
so; so
D.
so; such
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