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【单选题】
According to Roberto, some of the__________ modern skyscrapers were built in New York City.A.
first
B.
most modern
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【单选题】British parents, as the writer described in this passage,______.
A.
give their children little time to develop freely
B.
bring up their children in a simple way
C.
pay no attention to their children's lessons
D.
treat their children as sports players
【简答题】It can be inferred from the second paragraph that multimillionaires' children have [A] little opportunity to develop according to their own inclinations. [B] more opportunity to develop according to t...
【单选题】Handheld wireless phones are popular with most people because______.
A.
they send out a little amount of watt of power
B.
they have many cool shapes and colors
C.
they are small and light
D.
they are easy to buy on market
【单选题】将冷却系统检查仪器和转接头连在膨胀箱盖上,用手动泵打压,达到( )MPa时,限压阀必须打开,说明膨胀箱盖限压功能正常。
A.
0.03～0.05
B.
0.10～0.12
C.
0.13～0.15
【简答题】酯的生成:羧酸和醇在酸的催化作用下脱水生成脂酯的反应称为()。
【单选题】1297下列叙述错误的是( ).
A.
板式塔内以塔板作为气、液两相接触传质的基本构件
B.
安装出口堰是为了保证气、液两相在塔板上有充分的接触时间
C.
降液管是塔板间液流通道，也是溢流液中所夹带气体的分离场所
D.
降液管与下层塔板的间距应大于出口堰的高度
【简答题】La littérature est principalement au Moyen Âge.
【简答题】机器人对()和()具有很强的适应性,用来完成不同生产作业的工业机器人的种类越来越多。工业将实现高度()。
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