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【單選題】
自行車采用了螺栓、螺母等許多標(biāo)準(zhǔn)件，廠家在設(shè)計該類產(chǎn)品時，使用標(biāo)準(zhǔn)件的目的（ ）
A.
提高產(chǎn)品的美觀性
B.
減少零件數(shù)量
C.
環(huán)保和可持續(xù)發(fā)展
D.
實現(xiàn)通用互換，降低生產(chǎn)成本
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舉報參考答案：
舉一反三
【單選題】What does the speaker suggest people begin their speeches with?
A.
Self-introduction
B.
A piece of music.
C.
An interesting story.
【單選題】According to the speaker, how should the speech be?
A.
Funny and short.
B.
and clear.
C.
Detailed and educational.
【單選題】What do people enjoy doing in the park in autumn and winter?
A.
Sightseeing the beautiful scenery there.
B.
Taking photos of themselves there.
C.
Watching many different pretty birds there.
【單選題】How can one be more confident?
A.
By practising.
B.
By an outline.
C.
By finding out the situation.
【單選題】What does the underlined word “swindler” mean?
A.
troublemaker
B.
beggar
C.
thief
D.
cheat
相關(guān)題目：
【單選題】What does the speaker suggest people begin their speeches with?
A.
Self-introduction
B.
A piece of music.
C.
An interesting story.
【單選題】According to the speaker, how should the speech be?
A.
Funny and short.
B.
and clear.
C.
Detailed and educational.
【單選題】What do people enjoy doing in the park in autumn and winter?
A.
Sightseeing the beautiful scenery there.
B.
Taking photos of themselves there.
C.
Watching many different pretty birds there.
【單選題】How can one be more confident?
A.
By practising.
B.
By an outline.
C.
By finding out the situation.
【單選題】What does the underlined word “swindler” mean?
A.
troublemaker
B.
beggar
C.
thief
D.
cheat
參考解析：
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