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【简答题】
（5分）右图为人体心脏结构剖面图。请回答： （1）肺循环的途径是：血液由 [ 4 ] 流入[ 6 ] ，再流经肺部血管网，最后由[ 7 ] 流回[ 8 ] 。 （2）在肺循环中，经过肺部的气体交换，静脉血变为动脉血。动脉血与静脉血相比，含 量多、颜色鲜红。
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皮皮学刷刷变学霸
举一反三
【简答题】Conversation 2 Question 18A. He is a
regular customer. B. He is one
of her friends. C. He is the
manager of the store. D. He is a
new customer of the store.
【单选题】Conversation 2 18
A.
Booking a theater ticket.
B.
Reserving a room.
C.
Booking an air ticket.
D.
Reaserving a seat.
【单选题】Section C Conversation 2 18.
A.
For two years.
B.
For three years.
C.
For five years.
D.
For six years.
【单选题】Conversation 2 18
A.
He comes to visit a friend.
B.
He wants to learn new technology.
C.
He comes for the contract.
D.
He wants to see the environment.
【单选题】Conversation 2 18)
A.
He has to meet a client.
B.
He has to finish a report.
C.
He has to prepare for a meeting.
D.
He has to fix his computer.
【简答题】A．in circles B．in accord C．in case D．in essence
【单选题】Conversation 2 18.
A.
An auto company.
B.
An IT company.
C.
A shipping company.
D.
A food company.
【简答题】A．In essence B．In part C．In advance D．In return
【简答题】Conversation 2 18.
【单选题】Conversation 2-18
A.
For six years.
B.
For five years.
C.
For three years.
D.
For two years.
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