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【单选题】
化学农药污染环境,可通过( )进入人体。
A.
食物链
B.
淋巴管
C.
血液
D.
内分泌腺
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【单选题】My father didn't fly to London for the opening ceremony, because his doctor suggested that he ______ there.
A.
not to go
B.
hadn't gone
C.
not go
D.
wouldn't go
【单选题】主要由单核巨噬细胞产生的细胞因子是( )
A.
IL-1
B.
IL-2
C.
IL-4
D.
IFN-γ
E.
TNF
【单选题】实施逻辑乘运算:11001010∧00001001后的结果是
A.
1000
B.
11000001
C.
1001
D.
11001011
【单选题】---- I haven’t got the ticket for the opening ceremony of the 2010 Shanghai World Expo. ---- Don’t worry. It’ll be broadcast_______ on April 30. Don’t miss it.
A.
lively
B.
alive
C.
live
D.
living
【单选题】Don't keep the door ____! [     ]
A.
close
B.
open
C.
opening
【单选题】主要由单核巨噬细胞产生的细胞因子是
A.
IL-1
B.
IL-2
C.
IL-4
D.
IL-12
【单选题】I don't mind _____ the door. [     ]
A.
you open
B.
your open
C.
your opening
D.
yours opening
【单选题】―We didn’t see Robert at the opening ceremony yesterday. ―No, he _______ it.
A.
mustn’t have attended
B.
needn’t have attended
C.
needn’t attend
D.
didn’t need to attend
【单选题】主要由单核巨噬细胞产生的细胞因子是
A.
IL-1
B.
IL-2
C.
IL-4
D.
IL-5
E.
IL-10
【单选题】实施逻辑乘运算1010∧1001后的结果是
A.
1000.0
B.
1.0
C.
1001.0
D.
1011.0
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