溢流量大于100L/min的安全阀属于大流量安全阀。
参考答案:对
(天津市河东区201 4年高三二模考试)2. lf you live in the country or have ever visited there, ____are that you have heard birds singing
to welcome the new day.
A.situations
B.facts
C.chances
D.possibilities【考点】考察固定句式
The man didn’t admit _________ anything at the store, when he was questioned by the police.
A.to steal
B.having stolen
C.to have stolen
D.having been stolen