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【多选题】
观感质量分为( )。
A.
优质
B.
C.
一般
D.
E.
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【简答题】链传动的类型为_______链传动、起重链传动、_______链传动。
【单选题】Not until the press reported the pollution _________ why the water supply had been cut off.
A.
people did know
B.
people had known
C.
did people know
D.
had people known
【多选题】Mark Twain had led an active life in the very center of the American expe­rience. He had been a____________ .
A.
printer, pilot, soldier
B.
silver-minor, gold-washer
C.
lecturer, traveler, businessman
D.
novelist, autobiographer
【简答题】链传动的类型为传动链传动、()、牵引链传动。
【单选题】None of the five people killed by inhalational anthrax had been vaccinated against influenza
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】下列VPN技术中,属于第二层VPN的有()
A.
L2TP VPN
B.
BGP/MPLS VPN
C.
GRE VPN
D.
IPSec VPN
【多选题】下列VPN技术中,属于第二层的VPN的有
A.
VPLS
B.
VLL
C.
GRE VPN
D.
IPSce VPN
【判断题】大床间在饭店中占有绝大多数
A.
正确
B.
错误
【简答题】链传动的类型为传动链传动、起重链传动、()。
【多选题】下列VPN技术中,属于第二层VPN的有
A.
SSL VPN
B.
GRE VPN
C.
L2TP VPn
D.
IPSEC VPN
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