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【单选题】
If he____ that he____ to work there then, everything would be OK now. [ ]A.
insisted; be sent
B.
insisted; was sent
C.
had insisted; be sent
D.
had insisted; was sent
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【多选题】下列论述正确的有( )。
A.
通常量规通规长度与配合长度相等
B.
量规止规长度比通规长度短
C.
光滑极限量规结构完全符合泰勒原则
D.
轴用量规做成环规或卡规都应是全形量规
E.
小直径孔用量规的止规可以做成全形量规
【单选题】Listen to Track 50.
A.
To indicate that he is about to explain what type of drawing he wants
B.
To help students understand a term that may be confusing
C.
To indicate that he used the wrong word earlier
D.
To motivate the students to do better work
【简答题】为了满足泰勒原则，光滑极限量规的通规理论上应做成______，止规应做成______，否则，工件的形状误差就应另外测量和控制。
【简答题】根据组成不同,油品在低温下失去流动性的原因有 和
【单选题】—Can I help you，dear? —Yeah,l don’t know a banana milk shake. Maybe you can teach me.
A.
what to do
B.
when to make
C.
how to make
D.
why to do
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