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【简答题】
完成句子。 1. 我是Tony，见到你很高兴。 _______Tony, Nice to _______ you. 2. 她的名字是什么？ _______ _________ name? 3. Brown是他的姓。 Brown_______ ________ _______ name.
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皮皮学刷刷变学霸
举一反三
【单选题】下列各组物质中属于同系物的是 （ ）
A.
CH 3 OH和CH 3 OCH 3
B.
C 6 H 5 OH和C 6 H 5 CH 2 OH
C.
CH 3 Cl和C 3 H 7 Cl
D.
C 17 H 35 COOH和C 17 H 33 COOH
【单选题】What causes the prices of the telephone system to lower in America?
A.
The material became cheaper.
B.
There was more competition.
C.
More people used the phones.
D.
The phones were connected across the sea.
【简答题】已知一个力 F=100N ,把它分解为两个力,已知其中一个分力 F1 与 F 的夹角为 30° ,则另一个分力 F2 的最小值为 __________N 。
【单选题】下列各组物质互为同系物的是（ ）
A.
C 6 H 5 OH和C 6 H 5 CH 2 OH
B.
CH 3 OH和HOCH 2 CH 2 OH
C.
HCOOH和C 17 H 35 COOH
D.
CH 3 Cl和CH 2 Cl 2
【简答题】What causes the problem?
【单选题】According to the talk, what causes the mis-deliveries in the company?
A.
The lack of specific recipient's name on incoming mails
B.
The lack of the company's name on incoming mails
C.
The senders' mistaking in the company's address
D.
The employees giving wrong address to the senders
【单选题】what causes the trouble?
A.
the white metal is of poor quality
B.
the white metal has stains
C.
the white metal is detached
D.
the white metal is cast up to standard
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