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【单选题】
生药薄荷叶的下表面气孔多见,气孔类型为()。
A.
不定式
B.
不等式
C.
直轴式
D.
E.
环式
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参考答案:
举一反三
【单选题】Sorry,Cathy,I didn’t know that you were badly short of money then.But you ________ me for help.
A.
must have asked
B.
could have asked
C.
would have asked
D.
may have asked
【单选题】—______ you use Weibo (micro blog) to post messages? —Sorry, I can't. [     ]
A.
May
B.
Need
C.
Can
D.
Must
【简答题】阅读下面短文,根据文章的内容选择最佳答案。 Do you go to the movies during the holidays? What do you eat there? Popcorn? Yes, of course! More and more Chinese children now like to eat popcorn at the theaters. Americans als...
【简答题】. 根据句意及首字母 , 补全单词 . 1.My father often reads newspapers for a little w______ after super. 2. Most of students like playing b ____. 3.—How often do you go to school by bus? —No, s______. 4. You can go t...
【单选题】— ______ I borrow these magazines? — Sorry, only the magazines over there can be borrowed. [     ]
A.
Must
B.
Would
C.
May
D.
Need
【单选题】---Be polite . You _____ talk to the old like that !  ---Sorry , I won’t .
A.
needn’t
B.
wouldn’t
C.
mustn’t
D.
couldn’t
【单选题】导致SMC电阻器贴片时侧件的原因不包括( )。
A.
供料架供料异常
B.
元器件编带的孔尺寸过大
C.
贴装头的吸嘴高度不够
D.
点胶位置错误
【判断题】细胞中常见的化学元素有C、H、O、N等20多种,其中C 是最基本的元素。
A.
正确
B.
错误
【单选题】组成细胞的化学元素常见的有 20 多种,其中大量元素主要有 C 、 H 、 O 、 ( ) 、 P 、 S 等。
A.
Fe
B.
Zn
C.
Cu
D.
【单选题】听力原文:M: Do you want to go to the lecture this weekend? I hear the guy who' s going to deliver the lecture spent a year living in the rain forest. W: Great! I'm doing a report on the rain forest. Maybe...
A.
She knows the guy who will give the lecture.
B.
She thinks the lecture might be informative.
C.
She wants to add something to her lecture.
D.
She'll finish her report this weekend.
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