匀速圆周运动
自由落体运动
平抛运动
竖直上抛运动
第1题:
incidental
accidental
occasion
opportunity
第2题:
From
Of
For
With
第3题:
danced
fell
returned
slept
第4题:
不能在高压线附近放风筝
发现有人触电,应迅速采用正确的方法使触电的人脱离电源
使用测电笔辨别火线时.手不能接触笔尾金属体
使用有金属外壳的家用电器.其外壳必须接地
第5题:
千里之堤,毁于蚁穴
月晕而风,础润而雨
祸兮福所倚,福兮祸所伏
第6题:
13 hours after the earthquake
on May 18
during the May Day holiday
on April 16
第7题:
had fallen asleep
have fallen asleep
fell asleep
fall asleep
第8题:
Chicago
Amsterdam
Budapest
New York
第9题:
国家
政府
立法机关
第10题:
was; shall pay
am; will pay
would be; would pay
were; would pay
第11题:
head
nose
ear
neck
第12题:
From
Of
For
With
第13题:
out
up
for
in
第14题:
第15题:
第16题:
过量铁粉和三氯化铁溶液
过量铁粉和稀硫酸溶液
硫化亚铁和盐酸溶液
红热的铁丝和氯气
第17题:
none
one
two
three
第18题:
Buy Nothing Day has become popular in the United States.
Restaurants have a tradition of donating food on holidays.
Girl shops are expected to be closed on Buy Nothing Day.
Children like the idea of Buy Nothing Day best.
第19题:
famous
thoughtful
careful
difficult
第20题:
第21题:
丙烷
乙烷
乙烯
丙烯
第22题:
resistance
contradiction
assistance
evolution
第23题:
So do I
So have I
So I do
So I have
第24题: