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【多选题】
常用的洞口建筑形式有?A.
端墙式
B.
八字式
C.
走廊式
D.
平头式
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反馈参考答案：
举一反三
【简答题】中国经济体制改革的目标是什么?
【单选题】I prefer clothes which are made out of natural materials, ______cotton and wool.
A.
as
B.
such as
C.
like
D.
just like
【简答题】我国经济体制改革的目标是（ ）。
【单选题】The preservation of natural resources is very important as some raw materials are ______ scarce and limited.
A.
primarily
B.
sufficiently
C.
precisely
D.
exceedingly
【单选题】Built ______ natural materials, the houses are believed to be warm, comfortable and friendly places to live.
A.
from
B.
with
C.
by
D.
in
【单选题】The MIT team had tried different materials before they studied natural silk in their research. 查看材料
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】It is indicated that materials stronger than natural silk can be expected in the furore. 查看材料
A.
Right
B.
Wrong
C.
Not mentioned
【多选题】若对心尖顶直动从动件盘形凸轮机构的推程压力角超过许用值时,可采用 ____ 措施来解决。
A.
增大基圆半径
B.
改用滚子从动件
C.
改变凸轮转向
D.
改为偏置尖顶直动从动件
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