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【多选题】
GPS卫星的地面监控系统包括()、()和()。A.
主控站
B.
注入站
C.
监测站
D.
运行站
手机使用
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举一反三
【单选题】Which of the following is NOT a factor that led to the UK industrial revolution?
A.
A demand for cotton goods
B.
A supply of coal and iron
C.
A trade rival from Europe
D.
The use of steam power
【单选题】电路如图所示 , 已知 L =0.2 H, u S = 5sin50t+10sin100t V, i ( t ) 为( )。
A.
0.5sin(50t-90°) + 0.5sin(100t-90°) Ａ
B.
0.5sin(50t-90°) + sin(100t-90°) Ａ
C.
0.5sin50t + 0.5sin100t Ａ
D.
0.5sin50t + sin100t Ａ
【单选题】I am _____ to hear the _____ news that my brother has passed the driving test.
A.
delighted; delight
B.
delighted; delightful
C.
delightful; delighting
D.
delightful; delighted
【简答题】下面是一个同学写的《课间十分钟》,你能用上面点结合的手法,把它修改得更生动、详细吗? 下课了,任君杰开始了个人演唱会表演。教室里一片喧腾。
【简答题】电路如图所示，已知u S =5cos(2000t)V，用去耦等效法求u 2 。
【单选题】I was delighted _______ her performance in NYU last night。
A.
of
B.
with
C.
from
D.
for
【单选题】Why was the use of coke smelting advantageous according to the text?
A.
It led to advances in technology.
B.
It stimulated the demand for wood.
C.
It was less expensive than wood smelting.
D.
It produced a stronger type of iron than charcoal smelting.
【简答题】Why was the use of coke smelting advantageous according to the text? [A] It led to advances in technology. [B] It stimulated the demand for wood. [C] It was less expensive than wood smelting. [D] It p...
【单选题】The demand for iron goes _____ as people do more physical exercises.
A.
on
B.
up
C.
down
D.
forward
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