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【单选题】
The seller should lodge any claim of this consignment against the sellers ( )30 days ( ) arrival of the goods.
A.
within, in
B.
within, at
C.
after, in
D.
after, on
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【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
【简答题】Where are the British Isles situated? In the ______
【简答题】如图,已知电压表的读数为4V,试求电阻R。
【简答题】天空状况对气温日较差的影响为:( )
【判断题】常见地鼠背脊为鲜明的淡金红色,腹部与头侧部为白色。
A.
正确
B.
错误
【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】What do people in China often have __ dinner?
A.
to
B.
at
C.
with
D.
for
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