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【判断题】
大型叶没有叶柄，叶片仅有简单的叶脉，从中柱的边缘分出，叶柄和中柱之间没有叶隙。而小型叶在叶柄分出的时候形成叶隙，并且经常形成复杂的叶脉。它们可能具有不同的起源方式。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Let us have a rest, _________? A. will you B. won ’ t you C. shall we D. shan ’ t we A. will you B. shall we C. don ’ t you D. do you
A.
will you
B.
shall we
C.
don ’ t you
D.
do you
【单选题】We will resend you the right one or ( ) your money.
A.
give
B.
return
C.
offer
D.
refund
【单选题】— We are sorry we can’t stay with you. — ________.
A.
No, sorry at all
B.
I don’t think so
C.
Don’t think so
D.
That’s all right
【单选题】—_______ we eat in the classroom? —No, _______. [ ]
A.
Can, we can't
B.
Can, you can't
C.
Do, you didn't
D.
Do, they can't
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