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【简答题】
How can such a large quantity of knowledge be _________.
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【单选题】It is necessary to inform. the general public of the benefits of taughened glass as most still remain ignorant of them.
A.
Y
B.
N
C.
NG
【单选题】The most expensive glass is .
A.
Soda-lime
B.
Borosilicate glass
C.
Lead-alkali silica glass
D.
Fused silica glass
【单选题】The glass vessels should be handled most carefully since they are______.
A.
crisp
B.
intricate
C.
subtle
D.
fragile
【单选题】1 单选The most expensive glass is .
A.
Soda-lime
B.
Borosilicate glass
C.
Lead-alkali silica glass
D.
Fused silica glass
【简答题】The glass vessels should be handled most carefully since they are ________. A) intricate B) fragile C) subtle D) crisp
【简答题】Glass is made of mixture of many substances melted together in a large furnace. The most important substance is silica which is found in sand. Potash(钾碱), obtained from wood-ashes, is also necessary. ...
【单选题】Recycling goes so smoothly in Japan that most of its household trash, such as paper, glass and metal can be reused in one way or another.
A.
Y
B.
N
C.
NG
【简答题】工程量清单漏项或设计变更引起的新的工程量清单项目，其相应综合单价首先应由（ ）提出。
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