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【判断题】
储存危险化学品建筑采暖的热媒温度不高,可采用热水采暖不应超过80C。
A.
正确
B.
错误
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举一反三
【单选题】______ they have boldly undertaken the construction of a 26 storied: building.
A.
As they are young
B.
Young as they are
C.
They are as young
D.
As young as they are
【简答题】A.develop B.produce C.build D.grow
【单选题】【C20】
A.
gave
B.
fixed
C.
speeded
D.
build
【单选题】西藏以神山圣湖旅游为特色的旅游区是( )。
A.
拉萨旅游区
B.
藏西旅游区 阿里地区
C.
藏西南旅游区
D.
藏南旅游区
【单选题】在拍摄乒乓球、羽毛球、网球等体育比赛时,常用哪种角度拍摄?( )
A.
正面角度
B.
正侧面角度
C.
斜侧角度
D.
背面角度
【判断题】数控车床是典型的点位控制类数控机床。
A.
正确
B.
错误
【单选题】It ______ the workers about 20 months to build the Huhang high­speed railway.
A.
took
B.
spent
C.
cost
D.
paid
【单选题】Tengwang tower is a nine-storied structure at 57.5 meters _____
A.
highly
B.
high
C.
height
D.
in height
【单选题】Request 20 degrees heading change left of track to avoid the build up
A.
Request turn left heading 20 degrees detour the CBs
B.
Request track out 20 degrees left to circumnavigate the thunderstorm.
C.
Request 20 degrees turn left to the build-up
D.
Request build up a new round to avoid 20 degrees turn left.
【简答题】电路 所示。已知直流电源的端电压 ,测得 ,若将直流电 源的电压 U 提高到 10V ,试问这时的 I 是等于、大于还是小于 ?
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