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【单选题】
患者,男,30岁。欲行右下第一磨牙种植术,选用骨内种植体,目前应用最广、最受青睐的种植体金属材料是
A.
钴铬合金
B.
镍铬合金
C.
钛及钛合金
D.
金合金
E.
银合金
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参考答案:
举一反三
【单选题】who came to London?
A.
daming
B.
Peter
C.
London
D.
chinese
【单选题】Who came to London to get rich?
A.
Sherlock Holmes
B.
Guy Fawkes
C.
Dick Whittington
【单选题】That is the cook ______ came from London.
A.
that
B.
which
C.
/
D.
Who
【单选题】下面对于鱼类眼睛的说法错误的是()。
A.
鱼类没有眼睑,不能闭眼
B.
鱼类的眼睛可以看到很远
C.
鱼类的眼睛只能小幅度转动
D.
在深海的鱼眼睛往往比较小
【单选题】I _____ an old friend of mine while I was in London.
A.
came across
B.
came up
C.
came out
D.
came about
【单选题】切削用量的三要素包括(    )。
A.
切削速度、切削深度和进给量
B.
切削速度、切削厚度和进给量
C.
切削速度、切削宽度和进给量
D.
切削厚度、切削宽度和进给量
【简答题】The writer came to London .
【单选题】That is the cook ______ came from London. [     ]
A.
that
B.
which
C.
/
D.
who
【简答题】Write a 200-word essay on your preference for one kind of technology to the others: “ The Coolest Latest Tech for Me ”. --You must write in no less than 200 words. (1) --You must include a thesis stat...
【单选题】Precision engine bearing inserts are manufactured with a small portion of the bearing ends extending beyond the bearing housing or caps. The installation process of these bearings requires sufficient....
A.
overlap
B.
crush
C.
lap or lead
D.
protrusion
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