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【单选题】
甘草的粉末中有A.
石细胞和晶纤维
B.
晶纤维和具缘纹孔导管
C.
韧皮纤维和石细胞
D.
网纹导管和草酸钙簇晶
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皮皮学刷刷变学霸
举一反三
【单选题】According to the passage, what makes acquisitions easier?
A.
The changing technology employed by the media.
B.
The media's increasing profits in the marketplace.
C.
The ever tougher regulations of the FCC on the media since 1980.
D.
The availability of the media's stocks on stock exchanges.
【简答题】5)Sa mère est-elle aussi professeur?
【单选题】听力原文：M: Grading the papers ought to be easier than ever this year. W: Unless the computer breaks down. What do we learn from the conversation?
A.
The computer needs to be fixed.
B.
It may be difficult to grade this year's papers.
C.
The computer is not put in a safe place.
D.
Some teachers prefer to go over the papers by hand.
【单选题】听力原文：M：If you are not so careless, you can get better scores. W: Come on, easier said than done. Q: What does the woman mean? (17)
A.
The exam was easier than before.
B.
It is hard to get a high mark in the exam.
C.
She is sure that she will do it better in the next exam.
D.
The man got a bad scores.
【简答题】AT89S51 单片机定时器的四种工作方式中,方式 0 为 位计数器,方式 1 为 位计数器
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