【单选题】The last sentence 'This curious fact...' leads us to conclude that ______.
A.
thunderstorms break out over a lake
B.
thunderstorms have something to do with the heat from the sun
C.
thunderstorms are often seen in winter, too
D.
thunderstorms have never happened in dark materials
【单选题】More thunderstorms ______ in summer than any other time of the year.
【简答题】芳香酮类化合物C=O伸缩振动频率向低波数位移的原因为( )
【单选题】关于反馈调节不正确的是()
D.
正反馈的主要意义是是某一生理过程一旦开始迅速加强直到完成
【多选题】某律师接受当事人委托参加民事诉讼,以下属于委托代理权消灭的原因有( )。
【判断题】绿色软件可以分为狭义和广义两种,其中狭义的绿色软件在删除时,只要直接删除软件所在的文件夹即可,是最理想的绿色软件。
【单选题】听力原文: Thunderstorms are the least dangerous and least violent of all the storms. Almost everyone has experienced a thunderstorm with its heavy rains, high winds, lightning and accompanying thunder. Th...
A.
Equivalent to a hydrogen bomb.
B.
Equivalent to tons of TNT.
C.
Equivalent to tons of hydrogen bombs.
D.
Equivalent to a ton of TNT.
【单选题】Ted and his friends established a website offering useful information about thunderstorms ______ similar accidents happening.
【多选题】Thunderstorms are expected in _______
【单选题】Thunderstorms have struck northern China, ______ heavy rain and ______ traffic chaos.
C.
having brought, having caused