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【单选题】
《龙门架及井架物料提升机安全技术规范》（JGJ88～2010）规定，当物料提升机安装高度大于或等于（ ）m时，不得使用缆风绳。A.
24
B.
28
C.
30
D.
32
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举一反三
【单选题】He said that he ________ for Shanghai the next day.
A.
will leave
B.
has left
C.
would leave
D.
had left
【单选题】He said would never be intimidated ______ what he didn't like by big names.
A.
do
B.
to do
C.
did
D.
into doing
【单选题】He said softly that he would rather stay at home than going out for a walk.
A.
softly
B.
stay
C.
going
D.
for
【单选题】听力原文：W: Two hours ago I saw Bob at a meeting. Is he home yet? M: No. He said he would be back at five and it's six o'clock already. Q: When did the woman see Bob? (3)
A.
2: 00.
B.
4: 00.
C.
5: 00.
D.
6: 00.
【简答题】燃油的物理特性有( )A. 粘度; B. 凝固点; C. 闪点; D. 密度;
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