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【单选题】
除防止产生焊接缺陷外,焊接时,防止()是最关键的问题。
A.
接头不等强
B.
焊接变形
C.
应力腐蚀
D.
接头塑性降低
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参考答案:
举一反三
【简答题】Rewrite the following sentences after the models, using the structure “there is (no) room for...”. Model : Improvement can still be made in our work. Key: There is still room for improvement in our wo...
【多选题】下列哪些原料可以用于竹荪的栽培( )
A.
木屑
B.
竹枝
C.
桑树枝
D.
秸秆
【判断题】According to the author, physical work can be best done when our rhythms are at their peak. Mental tasks should be tackled when the body’s temperature is on the rise.
A.
正确
B.
错误
【判断题】园林树木的配置讲究最经济的手段获得最大效果。
A.
正确
B.
错误
【单选题】In our life, we can work hard on one task    , and then another. In this way, all your dreams can be
A.
In our life, we can work hard on one task ____, and then another. In this way, all your dreams can be realized. A.at a time
B.
on time
C.
at the time
D.
all the time
【简答题】Improvement can still be made in our work. (using the structure“there is (no) room for..”)
【单选题】Few students in our class can work out this problem,so it______be very difficult
A.
may not
B.
must
C.
can
D.
need
【判断题】微信小程序的页面结构配置中, index.json 文件低于 app.json 文件的级别。 ( )
A.
正确
B.
错误
【判断题】园林树木的配置讲究最经济的手段获得最大效果。()
A.
正确
B.
错误
【单选题】That ’ s a good suggestion! Let ’ s finish our work ____we can be free this evening.
A.
now that
B.
so that
C.
because
D.
in case
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