【单选题】【消耗次数：1】
化工管路图中，表示热保温管道的规定线型是（ )。
①
<img src="20200602/1591089441196624.png" title="1591089441196624.png" alt="AAAAAAAA.png"/>
②
<img src="20200602/1591089448787915.png" title="1591089448787915.png" alt="BBBBBBBBBBB.png"/>
③
<img src="20200602/1591089455619950.png" title="1591089455619950.png" alt="CCCCCCCCCCCC.png"/>
④
<img src="20200602/1591089461187032.png" title="1591089461187032.png" alt="DDDDDDDDDDD.png"/>
参考答案：
复制
纠错
相关题目
【单选题】
在采访中，记者既要"身入"，又要"心入"。"心入"，就是要有强烈的社会责任感， 要对客观事物进行由表及里的分析，还要().
①
A.广泛地接触群众
②
B.多方面地挖掘材料
③
C.细心地掂量各种材料的价值
④
D.细心地掂量各种材料的价值
【多选题】
Whatdoestheword"steal"(thelastpara.)mean?<br/>
【单选题】
F．H．奥尔波特（1924）指出，社会心理学是"研究个体的社会行为和（）的学科"。
①
A.社会心理
②
B.社会意识
③
C.社会知觉
④
D.社会观念
【单选题】
执行下面程序：main(){intx=1,y=1,z=1;x=x+++y+++z++;printf("%d,%d,%d",x,++y,z++);}输出的结果为（）
①
4，3，2
②
3，3，2
③
3，3，3
④
3，2，2
随机题目
【单选题】
The subject was so ____ that Tom became very ____ in it.
①
interesting, interesting
②
interested, interested
③
interested, interesting
④
interesting, interested
【单选题】
I’11 send you my address ____ I find somewhere to live. ?
①
although ?
②
as ?
③
while ?
④
once ?
【单选题】
6. Our discussion ____ a wide range of subjects.
①
conveyed
②
concluded
③
covered
④
filled
【单选题】
It was when Tom got to the office ____ the telephone rang.
①
which
②
that
③
how
④
what
【单选题】
—How long____ you ____the library book? —For three days.
①
have--borrowed
②
have--kept
③
did--borrow
④
were--kept
【单选题】
My uncle, Sam, ____ a manager of the firm. ?
①
has just been made ?
②
has just made ?
③
is just made ?
④
is just being made?
【单选题】
____, he is not capable of teaching.
①
A teacher as he is
②
Teacher as he is
③
As a teacher
④
As a teacher he is
【单选题】
It happened to be very cold____ the morning of our sports meet. ?
①
at ?
②
of ?
③
on ?
④
with?
【单选题】
He didn’t keep on asking me the time any longer as he had had his watch ____.?
①
repaired ?
②
to repair ?
③
repairing ?
④
repair?