皮皮学，免费搜题
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【多选题】
金属的力学性能有（ ）A.
强度
B.
硬度
C.
塑性
D.
冲击韧性
E.
疲劳强度
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皮皮学刷刷变学霸
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【简答题】free of charge
【单选题】The definition of( ) is a law which is enacted by the legislative branch of a government such as Congress or a state legislature and generally signed into law by the president or a governor.
A.
regulation
B.
statute
C.
ordinance
D.
order
【单选题】According to the definition,Health is described _____ "a state of complete physical, mental, and social well-being".
A.
on
B.
as
C.
for
D.
of
【简答题】be free of charge
【单选题】By mentioning the definition of waste, the author intends to_____.
A.
clear the misunderstanding of its meaning and its coverage
B.
state that people tends to 'like the new and hate the old'
C.
manifest the fact people don't record things about rubbish by sarcasm
D.
prove that ignorance can lead to terror and inaction
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