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【简答题】
动脑筋,想一想,你能用几种方法把下面的三角形分成面积相等的四部分?请你试着画一画.
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举一反三
【单选题】--- Could you tell me_____ yuanxiao in china? --- Usually at Lantern Festival.
A.
when do people eat
B.
how do people eat
C.
when people eat
D.
how people ear
【单选题】把一杯热水和一杯凉水同时放进冰箱,哪个会先结冰?()
A.
热水
B.
凉水
C.
不确定
【简答题】天空状况对气温日较差的影响为:( )
【简答题】一杯热水含有一定的热量 ,冷却到环境温度,这时的热量就已没有 值。
【单选题】—What do you like ______ China? —The people and food. [     ]
A.
with
B.
in
C.
about
D.
from
【简答题】把红墨水分别滴入一杯热水和一杯冷水中,都会观察到扩散现象,其中热水中的扩散更快,这是由于 。
【单选题】The Romans brought ______ to England after they invaded the British Isles.
A.
Buddhism
B.
Islamism
C.
Christianity
D.
Catholicism
【简答题】计算题:电路如图D-6所示,已知R 1 =6Ω,R 2 =4Ω,电压表PV的读数U为3.6V,电池的内阻r=0.4Ω,试求电流表的读数I应为多少?电源的电动势E为多少?
【多选题】一杯热水由50℃升温到80℃,再降温至50℃,此时内能改变量∆U= ,焓变∆H=
A.
0
B.
0
【单选题】听力原文:W: What do you think of China? M: Great and the people are very friendly. How does he feel about the Chinese people?
A.
Great.
B.
Friendly.
C.
Unfriendly.
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