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【单选题】
胃溃疡的特点不包括( )
A.
内外科治疗的总效果一致
B.
药物治疗难愈合且易复发
C.
可以恶变
D.
胃溃疡患者一般较十二指肠溃疡患者年龄高、体弱
E.
胃溃疡、溃疡恶变和溃疡型癌三者区分困难
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举一反三
【单选题】Which step is the most important for you to buy a good computer? ______.
A.
The first step.
B.
The last step.
C.
The fifth step.
D.
The second step.
【判断题】马铃薯环腐病和青枯病均为导管系统侵染型病害。
A.
正确
B.
错误
【单选题】According to the passage, the first step helps the readers______.
A.
read first several paragraphs
B.
scan the whole chapter
C.
study the graphs
D.
get the theme of the chapter
【判断题】换向极可以有效改善换向产生的火花问题。
A.
正确
B.
错误
【单选题】According to the passage, the first step helps the readers_______.
A.
read the first several paragraphs
B.
scan the whole chapter
C.
study the graphs
D.
get the theme of the chapter
【判断题】The first step in the process of error ysis is the identification and description of errors.()
A.
正确
B.
错误
【单选题】—Which coat would you prefer , sir? —I’ll take , to have a changesometimes .
A.
. all them      
B.
. themall            
C.
. boththem            
D.
. themboth
【单选题】There’re too many clothes in the shop. I really can’t decide .
A.
which to buy coat
B.
to buy which coat
C.
which coat should I buy
D.
which coat to buy
【简答题】Who was the first man to step on Antarctica? And when?
【简答题】Which color coat does she finally buy?
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