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【单选题】
程序段G00 G01 G02 G03 X50 Y70 R30 F70；最终执行（）指令。A.
G00
B.
G01
C.
G02
D.
G03
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举一反三
【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 ______.
【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
【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
【判断题】The behavior. of the host in actively offering and the guest in asking the host not to bother have become conventional and habitual in the West.()
A.
正确
B.
错误
【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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