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【多选题】
无人警亭、无人驾驶汽车、无人快递机、无人加油.....种种无人应用,集中亮相于2018年4月21日在福州登场的首届数字中国建设成果展览会,令观者对“数字中国”当前的获得感与未来的期待感满满:“无人”时代来了。这说明( )。A.
有些自然物的存在和变化不具有客观实在性
B.
人们改造世界的活动具有创造性
C.
人具有主观能动性
D.
自然力量是有限的,人的创造能力是无所不及的
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皮皮学刷刷变学霸
举一反三
【简答题】流体传动是以流体为工作介质进行能量转换、传递和控制的传动。它包括 、 和 。
【单选题】Which is a weekly publication advising of important matters affecting navigational safety?
A.
Sailing Directions
B.
Light List
C.
Notices to Mariners
D.
Coast Pilot
【简答题】（本大题共分1 2分） 已知曲线 所围成图形的面积为 . (1)求 . (2)求所围成图形绕 轴旋转所成旋转体的体积。
【单选题】——last week’s snow and this week’s rain really do good to the drought-hit areas, which will contribute to the growth of crops. ——Leaders at all levels and farmers ____________________.
A.
cry for the moon
B.
are off the top of their head
C.
are over the moon
D.
kill the fatted calf
【单选题】Is it the country ________ you studied ________ you are going to visit next week?
A.
in which; which
B.
where; that
C.
that; that
D.
where; where
【单选题】We all like the park _____ we visited last week. [ ]
A.
where
B.
which
C.
in which
D.
to which
【单选题】Is this film_______ you saw with your parents last week?
A.
that
B.
the one
C.
which
D.
in Which
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