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【单选题】
,52岁,因患结肠癌入院。拟行结肠癌根治术,此病人术前错误的是A.
术前一日禁食
B.
3日前做肠道准备工作,口服抗生素
C.
3日前做肠道准备工作,服泻剂
D.
多吃水果、蔬菜、防止便秘
E.
提前3天做清洁灌肠
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【单选题】The 3-year-oid boy was found _____ in the bathroom. Nobody knows how and when he _____. [ ]
A.
dying, died
B.
dead, dying
C.
dead, died
D.
died, dying
【简答题】In what now seems like the prehistoric times of computer history, the early post-war era, there was a quite widespread concern that computers would take over the world from man one day. Already today,...
【简答题】The world’s population is increasing at an ever-fast rate, with severe consequences for the natural environment. For example, in there were 5.3 billion people in the world, or 93 million more tha...
【单选题】He looks sad. Let’s cheer him up .
A.
let him down.
B.
Make him happy
C.
make him pleasure
D.
disappoint him
【单选题】The suffixes -ic, -ous, -al, and -oid are found in
A.
adjectives
B.
nouns
C.
verbs
D.
roots
【简答题】当三极管的发射结正偏,集电结反偏时,三极管处于()状态。
【单选题】Why not ____?
A.
let him to go home
B.
to let him go home
C.
let him go home
D.
to let him to go home
【单选题】Bill asked his father _____ and play football. [ ]
A.
let him to go
B.
let him to
C.
to let him go
D.
to let him to go
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