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【单选题】
下列各句中,表达方式判断不正确的是A.
乱石穿空， 惊涛拍岸，卷起千堆雪。（描写）
B.
人间如梦，一尊坏酹月。（抒情）
C.
江山如画，一时多少豪杰。（议论）
D.
寒蝉凄切，对长亭晚，骤雨初歇。（记叙）
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举一反三
【单选题】The young man promised to his parents, 'I would never ______ again.'
A.
let you down
B.
let you out
C.
let you in
D.
let you by
【单选题】Use of electronic mail (e-mail) has been wide-spread for more than a decade. E-mail simplifies the flow of ideas, connects people from distant offices, eliminates the need for meetings, and often boos...
A.
is not always the easiest way to connect people from distant offices.
B.
has changed considerably since it first began a decade ago.
C.
causes people to be unproductive when it is used incorrectly.
D.
is effective for certain kinds of messages but only if managed wisely.
【单选题】组成脱氧核糖核酸(DNA)的核苷酸不包括( )。
A.
腺嘌呤核苷酸(A)
B.
鸟嘌呤核苷酸(G)
C.
胞嘧啶核苷酸(C)
D.
尿嘧啶核苷酸(U)
E.
胸腺嘧啶核苷酸(T)
【单选题】组成核糖核酸(RNA)的核苷酸不包括( )。
A.
腺嘌呤核苷酸(A)
B.
鸟嘌呤核苷酸(G)
C.
胞嘧啶核苷酸(C)
D.
胸腺嘧啶核苷酸(T)
E.
尿嘧啶核苷酸(U)
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