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【判断题】
杆件轴力图的绘制方法可采用截面法,截面法步骤可分为一截二,其中平方程中力的正负号与轴力正负号规定准则一致。A.
正确
B.
错误
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【单选题】I really am not qualified to ()the safety or lack of safety in drinking this water.
A.
valuate
B.
measure
C.
evaluate
D.
vaulte
【简答题】A．calculating B．supposing C．estimating D．regarding
【单选题】According to the factory safety rules, all accidents _____ be reported to the safety officer.
A.
may
B.
can
C.
would
D.
shall
【简答题】an inaccurate forecast regarding the reading habits of children
【简答题】A．regards B．in relation C．with regard D．regarding
【单选题】The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word ()
A.
Mayday
B.
Pan
C.
Safety
D.
Interco
【简答题】[A] regarding [B] reflecting [C] revealing [D] representing
【单选题】Food Safety and Foodborne Illnesses Food safety is an increasingly important public health issue. Governments all over the world are intensifying their efforts to improve food safety. These efforts ar...
A.
to
B.
against
C.
with
D.
towards
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