【单选题】【消耗次数：1】
蒸馏乙醚时残留在瓶底，若继续加热，则会：（ ）。
①
消失
②
升华
③
爆炸
④
蒸发
参考答案：
复制
纠错
相关题目
【多选题】
本课程讲述了通过哪些途径继续加强行政执法与司法保护的有效衔接？（）
①
加强案件通报和信息共享机制
②
统一知识产权行政机关和司法机关的执法标准
③
通过各地广泛建立的知识产权联席会议机制
④
通过对知识产权纠纷调解协议进行行政确认，赋予其生效判决的效力
⑤
通过对知识产权纠纷调解协议进行司法确认，赋予其生效判决的效力
【多选题】
按照爆炸反应相的不同，爆炸可分为气相爆炸、液相爆炸和固相爆炸。下列爆炸中，属于气相爆炸的是（ ）。
①
A.熔融的钢水与水混合产生蒸汽爆炸
②
B.空气和氢气、丙烷、乙醚等混合气的爆炸
③
C.油压机喷出的油雾、喷漆作业引起的爆炸
④
D.空气中飞散的铝粉、镁粉、亚麻、玉米淀粉等引起的爆炸
⑤
E.氯乙烯分解引起的爆炸
随机题目
【单选题】
As for words which do not often occur in everyday situation, you just need to be able to ____.
①
recognize them
②
nod at them
③
concentrate much on them
④
practice using them constantly
【单选题】
According to the text, which of the following is NOT one of the possible activities for you to practice speaking English at school?
①
To talk to native speakers on campus.
②
To speak English to the waitress in English as you pay for a meal in a restaurant.
③
To rehearse aloud by yourself.
④
To talk with your classmates in English.
【单选题】
The place did not seem to be popular, for it was completely deserted, and in any case _____ to traffic.
①
inaccessible
②
inadequate
③
insignificant
④
incompatible
【单选题】
The head of the museum was _____and let us actually examine the ancient manuscripts.
①
promising
②
agreeing
③
pleasing
④
obliging
【单选题】
Lucy，who did not even go to grade school, had no ________of a job at the time.
①
interview
②
pressure
③
prospect
④
application
【单选题】
The lecture provided ____ insight into foreign affairs.
①
penetrating
②
pendular
③
passive
④
penal
【单选题】
Linda is 35 years o1d and, after two close relationships, the prospect of staying single__________ her.
①
impresses
②
depresses
③
threatens
④
stuns
【单选题】
The manager said that there were two reasons______ our sales dropped sharply last year.
①
because
②
since
③
why
④
while
【单选题】
Henry’ s actually ______ of telling lies, pretending to be sick when he s heathy.
①
capable
②
spontaneous
③
competent
④
expert