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【简答题】
的传定位为专为看望患者而生产的产品,属于( )定位。
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【单选题】当两套系统使用Internet连接时，通常与L2TP一同使用IPSec以保证数据安全。以下回答中正确表述了这些协议所工作的OSI网络层次的是哪一个（）
A.
IPSec工作在网络层，L2TP工作在传输层
B.
IPSec工作在传输层，L2TP工作在物理层
C.
IPSec工作在网络层，L2TP工作在数据链路层
D.
IPSes和L2TP都工作在网络层
【单选题】Little ____ about what others think.
A.
he cares
B.
he doesn’t care
C.
does he care
D.
doesn’t he care
【单选题】He doesn’t have anything to say. He doesn’t know ____ the student.
A.
about
B.
for
C.
with
D.
from
【单选题】What does the man mean?
A.
He doesn’t have a ticket．
B.
He doesn’t like volleyball．
C.
He is not invited to the game．
【单选题】He doesn’t have anything to say. He doesn’t know ____ the student.
A.
of
B.
for
C.
with
D.
from
【简答题】Nick is a knight(骑士). But he doesn’t like to ride and he doesn’t like to fight. Nick likes to read and write, and he likes to knit(编织). One night, there was a knock at the door. “I need you to fight a...
【简答题】A. He doesn’t like it. B. He has a toothache. C. He wants to save it. D. He has trouble opening his mouth. 2. A. He doesn’t like the color. B. He doesn’t like the style. C. He doesn’t have enough mone...
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【单选题】He doesn’t have anything to say. He doesn’t know ____ the student.
A.
of
B.
for
C.
with
D.
from