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【多选题】
常用的螺纹坚固件有()、()、()、()和垫圈等。A.
螺栓
B.
螺柱
C.
螺钉
D.
螺母
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举一反三
【多选题】工件加工后在一定深度的表面内出现与基体材料组织不同的变质层。表面层材质变化可能是（ ）
A.
塑性变形或硬度变化
B.
微观裂纹
C.
残余应力、晶粒变化、热损伤区、微观组织变化以及化学性质及电特性的变化
D.
晶粒变化或微观组织变化
E.
热损伤区、微观组织变化以及化学性质及电特性的变化
F.
化学性质变化或电特性变化
【单选题】I was astonished that she________ do a thing like that.
A.
could
B.
might
C.
would
D.
should
【简答题】The public was astonished to know she_____the
Minister of the DefenseA. was being named B. has been named C. has been named as D. has being name as
【单选题】How did the speaker feel when she heard the news?
A.
She was satisfied.
B.
She was annoyed.
C.
She was astonished.
D.
She was relieved.
【单选题】The girl was astonished because______.
A.
she thought he was a contemporary artist
B.
artists have their own theories
C.
he was not talking as she thought a painter should
D.
he was behaving very badly
【简答题】语法填空练习七 1._______ neither she nor her husband smoked, Mrs. Trench was surprised to see cigarette ash on her doorstep as she entered the house. When she opened the living-room door, she was astonished ...
【单选题】When I heard the news that she was going to resign, I was surprised. I was astonished.
A.
more than
B.
l ess than
C.
other than
D.
rather than
【单选题】Mary was astonished that she ______ for the counselor's position,
A.
turned on
B.
was turned down
C.
turned off
D.
was turned back
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