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【判断题】
零件内腔设计尽量是开口式的,并且高度H与开口的直径D之比(H/D)要小于1,这样造型时可以避免使用砂芯,内腔靠自带砂芯来形成。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】In the sentence "He saw his face reflected in the water ”, the italicized phrase is .
A.
the object
B.
an adverbial
C.
a complement
D.
the subject
【单选题】In the sentence "He has a wish to travel round the whole country ", the underlined part is
A.
an attribute
B.
an adverbial
C.
a complement
D.
an appositive
【单选题】In the sentence "He placed his hand on her shoulder", "place" means___.
A.
放置
B.
地点
C.
擅自闯入
【单选题】What does the word "still" mean in the sentence "He lay still in the bed and seemed very detached from what was going on."?
A.
仍然，还
B.
但是，然而
C.
也，还
D.
静止的，不动的
【单选题】As in the sentence "He was flat broke , and far in debt," may possibly mean ____
A.
go bankrupt
B.
break out
C.
break down
D.
break up
【单选题】In the sentence "He has a wish to travel round the whole country", the italicized part is
A.
an attribute
B.
an adverbial
C.
a complement
D.
an appositive
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