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【单选题】
根据下列材料回答下列各 题。 男，61岁。因右肺中心型肺癌行右肺切除术，术后患者出现呕吐新鲜血，量约300ml，心率100次／分，血压105／75mmHg，左肺呼吸音尚清。 此时最可能的诊断是A.
休克
B.
溃疡
C.
胃穿孔
D.
肺栓塞
E.
循环衰竭
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【简答题】Visitor: Thank you for your hospitality and for being such a nice host. Host:__
【简答题】Because little research had been done on the explanation of happiness, before going into the lab, Lyubomirsky had done some ______.
【简答题】列出所有学生的学号(studentno),姓名(sname)和入学成绩(point)。
【单选题】The host has to answer and explain, ______.
A.
for the host works hard
B.
because of the caller's ignorance
C.
for the host likes talking to the caller
D.
because of a lot of questions raised by the caller
【多选题】Which destination addresses will be used by Host A to send data to Host C?（）
A.
the IP address of Switch 1
B.
the MAC address of Switch 1
C.
the IP address of Host C
D.
the MAC address of Host C
E.
the IP address of the router's E0 interface
F.
the MAC address of the router's E0 interface
【单选题】The scientific group is carrying out a research focused on a drug which is so _______ as to be able to change brain chemistry.
A.
powerful
B.
influential
C.
monstrous
D.
vigorous
【单选题】A host is attempting to send data to another host on a different network. What is the first action that the sending host will take?（）
A.
Drop the data.
B.
Send the data frames to the default gateway.
C.
Create an ARP request to get a MAC address for the receiving host.
D.
Send a TCP SYN and wait for the SYN ACK with the IP address of the receiving host.
【单选题】Sometimes the larvae of some parasites may survive in an abnormal host but can not develop into adults. The abnormal host serves as
A.
paratenic host
B.
intermediate host
C.
definite host
D.
reservoir host
【单选题】---The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job? ---____ my students have a try?
A.
May
B.
Must
C.
Will
D.
Shall
【简答题】The host has to answer and explain, ________. [A] for the host works hard [B] because of the caller’s ignorance [C] for the host likes talking to the caller [D] because of a lot of questions raised by...
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