【单选题】【消耗次数：1】
Televisions enable us to see things happen almost at the exact moment _____.
①
which they are happening
②
they are happening
③
which they happen
④
they have happened
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相关题目
【单选题】
Televisions enable us to see things happen almost at the exact moment _____.
①
which they are happening
②
they are happening
③
which they happen
④
they have happened
【单选题】
Televisions enable us to see things happen almost at
the exact moment ____.
①
which they are happening
②
they are happening
③
which they happen
④
they have happened
【单选题】
9.We should really take some effective ______ to prevent such terrible things from happening again.
①
measures
②
steps
③
means
④
ways
【单选题】
She wonders ____will happen to her private life in the future.
①
that
②
it
③
this
④
what
【单选题】
Young kids are always filled with enormous ( ) about almost everything, which sometimes leads them to danger.
①
Ambition
②
curiosity
③
craze
④
violence
【单选题】
We have a single room , double room and ( ). which kind do you prefer?
①
suite
②
suit
③
suits
④
suites
【单选题】
Although Mary is satisfied with her success, she wonders __________ will happen to he private life.
①
how
②
who
③
what
④
that
【单选题】
This is no time to moralize ______ the follies of countries which have allowed themselves to be struck down one by one.
①
to
②
on
③
by
④
in
随机题目
【单选题】
根据图所示AB、CD直线和P、Q平面，AB、CD直线的侧面投影应标记为（ ）。<img src=http://60.205.157.60/course/a@5813350423C48EBCC066EA44AE427F76.png title=2.png alt=2.png/>
①
ab、cd
②
a’b’、c’d’
③
AB、CD
④
a”b”、c”d”
【单选题】
根据图1所示AB、CD直线和P、Q平面，平面P在侧面投影面上的投影具有积聚性，因此称之为（ ）。<img src=http://60.205.157.60/course/a@5813350423C48EBCC066EA44AE427F76.png title=2.png alt=2.png/>
①
侧垂面
②
铅垂面
③
正垂面
④
一般位置平面
【单选题】
根据图所示AB、CD直线和P、Q平面，P、Q平面的水平投影应标记为（ ）。<img src=http://60.205.157.60/course/a@5813350423C48EBCC066EA44AE427F76.png title=2.png alt=2.png/>
①
P、Q
②
p、q
③
p’、q’
④
p”、q”
【判断题】
根据图所示切割体的正面投影和水平投影，切割圆柱体的平面是正垂面。<img src=http://60.205.157.60/course/a@4A86563E6B6DA06893F711ACC27EA6B8.png title=4.png alt=4.png/>
①
正确
②
错误
【判断题】
根据图所示切割体的正面投影和水平投影，圆柱体上有通孔，通孔是方形孔。<img src=http://60.205.157.60/course/a@4A86563E6B6DA06893F711ACC27EA6B8.png title=4.png alt=4.png/>
①
正确
②
错误
【判断题】
根据图所示切割体的正面投影和水平投影，用正垂面来切割圆柱体外表面，其截交线的侧面投影反映实形。<img src=http://60.205.157.60/course/a@4A86563E6B6DA06893F711ACC27EA6B8.png title=4.png alt=4.png/>
①
正确
②
错误
【判断题】
根据图所示切割体的正面投影和水平投影，用正垂面切割圆柱体内表面，其截交线的侧面投影为不完整的平行四边形。<img src=http://60.205.157.60/course/a@4A86563E6B6DA06893F711ACC27EA6B8.png title=4.png alt=4.png/>
①
正确
②
错误
【判断题】
根据图所示切割体的正面投影和水平投影，其基本体是圆柱体。<img src=http://60.205.157.60/course/a@4A86563E6B6DA06893F711ACC27EA6B8.png title=4.png alt=4.png/>
①
正确
②
错误