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【单选题】
Jane’s pale face suggested that she _______ill, and her parents suggested that she ________medical examination.
A.
be; should have
B.
was; have
C.
should be; have
D.
was; has
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【单选题】目标函数对应的线称等值线,等值线的斜率
A.
全不一样
B.
不全一样
C.
不一定
D.
全部一样
【简答题】在初步确定给水方式时,对层高不超过3.5m的4层民用建筑,其给水系统所需的压力H约为多少kPa?
【单选题】I always make a _______ before going shopping so that I won’t forget what to buy.
A.
diary
B.
report
C.
note
D.
list
【单选题】等值线的斜率 ( ).
A.
不一定
B.
全不一样
C.
全部一样
D.
不全一样
【单选题】It has been announced that all the students ______ put on the masks before going to school in case they are infected with SARS virus.
A.
shall
B.
will
C.
need
D.
may
【单选题】Before going to Japan, you need__________. 查看材料
A.
to see the manager of NOVA France
B.
to take some computer courses
C.
to write a letter to Japan
D.
to find a place to live
【单选题】等值线的斜率():
A.
全不一样
B.
不全一样
C.
不一定
D.
全部一样
【单选题】Before going to Japan, you need____. [ A] to see the manager of NOV
A.
France [
B.
]to take some computer courses [ C] to write a letter to Japan [ D] to find a place to live
【单选题】等值线的斜率():
A.
全部一样
B.
不全一样
C.
全不一样
D.
不一定
【单选题】目标函数对应的线称等值线,等值线的斜率
A.
全部一样
B.
全不一样
C.
不全一样
D.
不一定
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