【单选题】【消耗次数：1】
It looks[填空] he knew a lot about it.
①
as
②
if
③
as if
④
wether
参考答案：
复制
纠错
相关题目
【单选题】
He always has a lot of _______ ideas in his mind , and sometimes we do not even know what he is thinking about.
①
novel
②
spoil
③
acceptable
④
additional
【单选题】
____ of them knew about the plan because it was a secret.
①
Some
②
Any
③
No one
④
None
【单选题】
This dress looks [填空] and sells [填空].
①
well,well
②
good,nice
③
nice,good
④
nice,well
【单选题】
The old man is upset in fact today, but he looks as if he______ as happy as before.
①
will be
②
were
③
had been
④
is
【单选题】
_______ he knew it was just a joke, _______Peter looked frightened.
①
Although, but
②
/, and
③
Although, /
【单选题】
19. He tried to _____ from his memory what he knew of his former neighbor..
①
think of
②
remember
③
summon
④
gave way
【单选题】
After a lot of difficulties, he _______ to open the door.
①
managed
②
succeeded
③
accomplished
④
tried
随机题目
【单选题】
<img src="20200602/1591087227174635.png" title="1591087227174635.png" alt="TTTT.png"/>表示( )。
①
法兰连接，自动闸阀
②
螺纹连接，手动截止阀
③
法兰连接，手动截止阀
④
焊接连接，自动闸阀
【单选题】
以下压缩机流程图气体流向绘制正确的是（ ）。
①
<img src="20200602/1591087160353986.png" title="1591087160353986.png" alt="CCC.png"/>
②
<img src="20200602/1591087134676392.png" title="1591087134676392.png" alt="AAA.png"/>
③
<img src="20200602/1591087150793648.png" title="1591087150793648.png" alt="BBB.png"/>
④
<img src="20200602/1591087167739961.png" title="1591087167739961.png" alt="DDD.png"/>
【单选题】
下列属于化工设备结构特点的是（ ）。（1）壳体以回转体为主；（2）尺寸大小相差悬殊；（3）有较多的开孔和管口；（4）大量采用焊接结构；（5）广泛采用标准零部件；（6）防漏结构要求高。
①
（1）（3）（4）（5）（6）
②
（2）（3）（4）（6）
③
（1）（2）（3）
④
以上都正确
【单选题】
方案流程图不包括哪些内容。（ ）
①
标题栏：注写图号、图名、设计阶段、签名等
②
标注：设备的位号、名称；物料来源去处的说明
③
工艺管道及仪表流程图中所采用的图例
④
图形：生产用设备的示意图形和工艺流程线
【单选题】
在工艺流程图中，表示球阀的符号是( )。
①
<img src="20200602/1591087952784111.png" title="1591087952784111.png" alt="DDDDD.png"/>
②
<img src="20200602/1591087945723081.png" title="1591087945723081.png" alt="CCCC.png"/>
③
<img src="20200602/1591087939135821.png" title="1591087939135821.png" alt="BBBB.png"/>
④
<img src="20200602/1591087932336485.png" title="1591087932336485.png" alt="AAAA.png"/>