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【單選題】
下列關于質點的說法中正確的是（ ）
A.
凡輕小的物體皆可看作質點
B.
只有體積很小的物體才能看作質點
C.
研究地球繞太陽公轉時可以將地球看作直到
D.
研究某學生騎車姿勢的變化時可以把學生和車看作質
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舉報參考答案：
舉一反三
【單選題】The boss asked John to find out where watermelons were sold in order to _________.
A.
persuade him to stay in the company
B.
prove he was a hardworking worker
C.
buy some watermelons for the company
D.
prove his abilities at work for himself
【單選題】They lived a hard life then, for their father _______ for half a year.
A.
had lost his work
B.
has lost his work
C.
had been out of work
D.
has been out of work
【單選題】John wanted to stop his job in his company because_________.
A.
Bobby was promoted but he was not
B.
he didn’t want to say good words of his boss
C.
he thought the boss didn’t take his hard work seriously
D.
he didn’t want to be an ordinary employee
【單選題】What is the man doing now?
A.
Fixing his car.
B.
Working to make money.
C.
Planning to get a mechanic(機修工).
【單選題】Mr. White ______ at 8:30 for the meeting, but he didn’t show up.
A.
should have arrived
B.
should arrive
C.
should have had arrived
D.
should be arriving
相關題目：
【單選題】The boss asked John to find out where watermelons were sold in order to _________.
A.
persuade him to stay in the company
B.
prove he was a hardworking worker
C.
buy some watermelons for the company
D.
prove his abilities at work for himself
【單選題】They lived a hard life then, for their father _______ for half a year.
A.
had lost his work
B.
has lost his work
C.
had been out of work
D.
has been out of work
【單選題】John wanted to stop his job in his company because_________.
A.
Bobby was promoted but he was not
B.
he didn’t want to say good words of his boss
C.
he thought the boss didn’t take his hard work seriously
D.
he didn’t want to be an ordinary employee
【單選題】What is the man doing now?
A.
Fixing his car.
B.
Working to make money.
C.
Planning to get a mechanic(機修工).
【單選題】Mr. White ______ at 8:30 for the meeting, but he didn’t show up.
A.
should have arrived
B.
should arrive
C.
should have had arrived
D.
should be arriving
參考解析：
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