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【多选题】
裂头绦虫以下描述正确的有?A.
镜检粪便中的虫体节片和虫卵，虫体节片中间部位具有莲花座状的子宫。
B.
虫体寄生在人体肠道内，大量吸取人体维生素C，严重的时候引起人体贫血。
C.
虫卵在水中孵育成为颤蚴。
D.
成虫由节片组成，每个成熟的节片排卵，完成生活史。
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举一反三
【简答题】A．Customs officers have to ensure safety of the parcel. B．It will be convenient for the parcel to be transported. C．It will be easier for the airline to load and unload the parcel. D．The contents of t...
【简答题】parcel post insurance
【单选题】What does the man suggest?
A.
Sending the parcel by postal service
B.
Sending the parcel by airmail
C.
Sending the parcel by express
D.
Sending the parcel by sea freight
【单选题】The items contained in the parcel don't correspond ______ those on the list that accompanied it.
A.
against
B.
for
C.
from
D.
with
【简答题】A．The parcel counter is cheaper. B．His counter is not responsible for the woman's parcel. C．He is off duty now. D．He has no permit to send the coin.
【单选题】Postal ______ are determined by the class and weight of the parcel mailed.
A.
taxes
B.
payment
C.
fees
D.
premium
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