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【单选题】
我国北方秋、冬两季,有时地面和房顶会出现霜、窗的玻璃上出现冰花、树枝上出现雾凇,这些都是A.
液化现象
B.
凝华现象
C.
汽化现象
D.
升华现象
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举一反三
【单选题】[8-65]MLC requires that there should be___ headroom in all seafarers’ accommodation room.国际劳工公约要求所用船员的住所都应该有充足的空间
A.
decent 体面的
B.
adequate 充足的
C.
reasonable合理的
D.
less than 203 cubic meter 不多于203立方米
【单选题】MLC requires that there should be____ headroom in all seafarers’ accommodation room.
A.
decent
B.
adequate
C.
reasonable
D.
less than 203 cubic meter
【单选题】MLC requires that there should be _______ headroom in all seafarers,accommodation room.
A.
Decent
B.
adequate
C.
Reasonable
D.
less than 203 cubic meter
【单选题】The activation of a CD8-positive T lymphocyte requires presentation of antigen, which one of the following is correct? ( )
A.
Class I MHC-peptide complex and synthesis of interleukin-2 by CD4 T lymphocytes.
B.
Class I MHC -peptide complex and synthesis of gamma-interferon by macrophage.
C.
Class I MHC -peptide complex and synthesis of interleukin-1 by macrophage.
D.
Class II MHC -peptide complex and synthesis of interleukin-4 by CD4 T lymphocyte.
E.
Class II MHC -peptide complex and synthesis of interleukin-10 by CD4 T lymphocyte.
【单选题】[8-64]MLC requires that there should be___ headroom in all seafarers
A.
decent
B.
adequate
C.
reasonable
D.
less than 203 cubic meter 203
【简答题】直接写出b面各题的结果． t.2t7×wtt= 5.5九÷wt= t.t5×wttt= 65t÷wtt= 九5t+57t= 2t九-8t= 2tt÷8= 九2t÷5t= w2×5= 2.25×wt=
【单选题】Mr. Green requires that the students ____ cheat in any exam. [ ]
A.
won't
B.
can't
C.
wouldn't
D.
not
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