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【简答题】
电路如图 9所示,已知E=9 V,C1 =9μF,C2 =3μF,C3 =6μF 。( 1)C2上的电压U 2 为 V;(2)电路总电容C为 μF。
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举一反三
【单选题】Choose the sentence that does not develop the controlling idea which appears in the topic sentence. 1. Topic sentence: I enjoy weekends.
A.
I can get up late on Saturday morning.
B.
My friends and I can visit and run around.
C.
I can do all kinds of shopping.
D.
School assignments are due on Monday.
E.
We usually go for a ride on Sunday afternoons.
【单选题】Choose the topic sentence
A.
My sister and I are both very healthy.
B.
My sister and I have very differentlifestyles.
C.
My sister and I have very differenteating habits.
【单选题】Choose the sentence that does not develop the controlling idea which appears in the topic sentence. 3. Topic sentence: I easily give up doing my homework.
A.
I always start to fell hungry and go into the kitchen for a snack.
B.
I'll leave my studying to investigate any noise I hear.
C.
While I study, I try to listen to the radio with one ear.
D.
For me, physics is the hardest subject.
E.
I often leave my desk to go to the mirror to comb my hair.
F.
Often, in the middle of an assignment, I decide that my shoes need polishing and do that instead of the assignment in front of me.
【单选题】Please single out the sentence that fails to develop the topic sentence: Topic sentence: I easily give up doing my homework.
A.
I always start to feel hungry and go into the kitchen for a snack.
B.
I’ll leave my study to investigate ay noise I hear.
C.
While I study, I try to listen to the music.
D.
For me, physics is the hardest subject.
E.
I often leave my desk to go the mirror to comb my hair.
【单选题】The music was so ______ that the audience were ______ to death.
A.
boring bored
B.
bored boring
C.
bored bored
D.
boring boring
【简答题】_____ the car can be used has bor been known yet.
【多选题】Which sentence or sentences support the topic sentence " I am an organized person"?
A.
My desk is always neat and tidy.
B.
I have a system for organizing my papers, and I can always fin what I need.
C.
I feel uncomfortable when I am in a strange place.
D.
My friends always want me to help them put their closets in order.
【单选题】In the following list, circle the letter besides the sentence that does not develop the topic sentence. 1) Topic sentence: I enjoy weekends.
A.
I can sleep late on Saturday morning.
B.
My friends and I can visit and run around.
C.
I can do all kinds of shopping.
D.
School assignments are due on Sunday.
E.
We usually go for a ride on Sunday afternoons.
【单选题】Many Americans live on credit, and their quality of life is measured _________ how much they can borrow, not how much they can earn.
A.
on top of
B.
in case of
C.
in terms of
D.
regardless of
【单选题】Which one does not develop the controlling idea in the topic sentence? Topic sentence:I enjoy weekends.
A.
I can sleep late on Saturday morning.
B.
My friends and I can visit and run around.
C.
I can do all kinds of shopping.
D.
School assignments are due on Monday.
E.
We usually go for a ride on Sunday afternoons.
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