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【单选题】
下列选项中，关于StreamReader类描述错误的是（ ）A.
StreamReader是对FileStream进行了封装
B.
StreamReader用于读取文本文件中内容
C.
StreamReader类的ReadLine()方法从控制台中读入一行字符串
D.
StreamReader类的Close()方法关闭StreamReader文件流
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举一反三
【单选题】一 It's not just the government's duty to protect the ______. 一 I agree. My grandpa often ______ up garbage for recycling and takes good care of animals and plants. He is a good example to us. [ ]
A.
environment; picked
B.
environments; pick
C.
environment; picks
【单选题】My grandpa often _ _ _newspapers in the afternoon, but now he _ _ _.
A.
is reading/sleeps
B.
reads/is sleeping
C.
is reading/is sleeping
D.
reads/sleeps
【单选题】依次填入下列各句横线处的词语,恰当的一组是( ) 有些书可供一__,有些书可以吞下,而有不多的几部书是应当__消化的。这就是说,有些书只要读一读它们的一部分就够了;有些书可以多读,但是不必过于细心地去读;还有不多的几部书则应当全读,勤读,而且__地读。
A.
．尝 咀嚼 用心
B.
．尝 品味 悉心
C.
．读 咀嚼 用心
D.
．读 品味 悉心
【单选题】My grandpa often talks of the house ________ he used to live.
A.
which
B.
that
C.
where
D.
/
【单选题】—It's not just the government's duty to protect the _____. —I agree. My grandpa often _____ up garbage for recycling and takes good care of animals and plants. He is a good example to us. [ ]
A.
environment; picked
B.
environments; pick
C.
environment; picks
D.
environment; picking
【单选题】(51~53题共用题干)男性,30岁,黏液脓血便2年,下腹轻度疼痛。近日腹痛加重,高热,衰弱。查体:消瘦,体温39°C,心率110次/分,律整,肺部无异常,腹部膨隆,全腹有压痛,肠鸣音消失。选做下列哪项检查最合适
A.
血细胞计数
B.
血沉
C.
心电图
D.
腹部B超
E.
腹部X线平片
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