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【多选题】
关于胎儿附属物的构成，正确的说法有A.
胎盘由羊膜、绒毛膜和底蜕膜构成
B.
羊膜光滑，无血管、神经和淋巴，是胎盘的最外层
C.
绒毛膜是构成胎盘的主要部分
D.
脐带一端连于胎儿腹壁，另一端附着于胎盘的母体面
E.
胎膜由羊膜和平滑绒毛膜组成
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【单选题】We have been told that under no circumstances ______ the telephone in the office for personal affairs.
A.
may we use
B.
we may use
C.
we use
D.
do we use
【单选题】Great Wall Express Type of Cuisines: Fast Food, Chinese Prices: $5 and under no alcohol served smoking street parking and own parking lot.
A.
Great Wall Express serves fast food and Chinese food.
B.
Customers can't smoke and park their car.
C.
Wine is offered at a rather cheap price.
【单选题】We have been told that under no circumstances ___ the telephone in the office for personal affairs.
A.
may we use
B.
we may use
C.
we could use
D.
did we answer
【单选题】All personal information about our customers is strictly______and cannot be shared under any circumstances.
A.
confide
B.
confides
C.
confidential
D.
confidentially
【单选题】We have been told that under no ________ may we use the telephone in the office for personal affairs. [ ]
A.
condition
B.
environment
C.
circumstances
D.
surroundings
【单选题】We have been told that under no circumstances the computer in the office for personal affairs.A．m
A.
We have been told that under no circumstances____the computer in the office for personal affairs. A．may we use
B.
did we use
C.
we could use
D.
we may use
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