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【单选题】
单纯性龈炎又称为
A.
牙创伤
B.
成人牙周炎
C.
龈乳头炎
D.
青春期龈炎
E.
慢性龈缘炎
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举一反三
【多选题】Harvard University is the longest in U.S. history. There are several lies of the Harvard Statue, they are______
A.
The “Founder” John Harvard was actually not the founder.
B.
The university was not founded in the year 1638 as is engraved on the statue.
C.
The statue of the person sitting on the chair is not John Harvard himself!
D.
John Harvard, worked the British Institute in 1637, and his work was very positive and was praised.
【判断题】差动轮系的自由度为1,行星轮系的自由度为2.
A.
正确
B.
错误
【单选题】It was the Harvard law school _____ she graduated from .
A.
when
B.
where
C.
that
D.
which
【单选题】关于绦虫病说法不正确的是______。
A.
人们吃了未经适当烹煮的带绦虫的猪肉、牛肉或鱼肉感染的
B.
儿童感染率较成人低
C.
可能引发人体的肥胖现象
D.
纠正吃生肉的习惯是预防本病的关键
【单选题】She has been awarded a ______ at Harvard University.
A.
scholarship
B.
federation
C.
collision
D.
collaboration
【单选题】Which of the following statements about Yellen is INCORRECT?
A.
She once taught at Harvard University.
B.
She got tenure at Berkeley University.
C.
She has a Nobel Prize in Economic Theory.
D.
She has been working in the Federal Reserve for over 10 years.
【单选题】In the author's opinion, the debate at Harvard ________.
A.
is a symbol of the general bewilderment.
B.
will soon be over.
C.
will influence the future life in America.
D.
is interesting to Harvard men and their friends.
【判断题】在没有兴趣的地方耕耘,不会有收获。
A.
正确
B.
错误
【单选题】预防牛带绦虫病的关键是
A.
粪便管理
B.
牛圈人厕分离
C.
肉类检疫
D.
不食生的或未熟的牛肉
【简答题】Earlier this year, we announced a new【L9】______at Harvard aimed at the
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