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【单选题】
金属切削过程中，切屑的形成主要是（ ）的材料剪切滑移变形的结果A.
第Ⅰ变形区
B.
第Ⅱ变形区
C.
第Ⅲ变形
D.
第Ⅳ变形区
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举一反三
【简答题】紧急制动电磁阀如下图所示,常用制动时,紧急制动电磁阀得电,活塞(滑动阀)受控制空气压力滑向()侧,使()与()相通,而切断与制动风缸(A1)的通路。
【单选题】He changed into women's clothes ______ he wouldn't be recognized.
A.
so that
B.
for fear that
C.
in case
D.
as if
【单选题】His ______ changed very quickly; one moment he was cheerful, and the next he's complaining about everything.
A.
temper
B.
mood
C.
sense
D.
feeling
【简答题】背景资料
某山岭隧道为单洞双向两车道公路隧道，其起讫桩号为K68+238～K69+538，隧道长1300m。该隧道设计图中描述的地质情况为：K68+238～K68+298段以及K69+498～K69+538段为洞口浅埋段，地下水不发育，出露岩体极破碎，呈碎、裂状；K68+298～K68+598段和K69+008～K69+498段，地下水不发育，岩体为较坚硬岩，岩体较破碎，裂隙较发育且有夹泥，其中...
【单选题】Choose the best to explain the underlined in the following sentence: Tastes like it's right off the grill .
A.
it is hot and fresh, and tastes as it is just taken off the grill
B.
it is the right thing to roast on the grill
C.
it matches the food roasting on the grill
D.
it is not the right food to roast on the grill.
【单选题】He changed a clock so that he could ____music instead of an alarm.
A.
hear of
B.
wake to
C.
wake up to
D.
hear from
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