高级龙井茶色泽翠绿,外形扁平光滑,形似“碗钉”有()、香郁、味醇、形美四绝之称。
参考答案:色绿
----May I borrow your pen, Mike ?
----Yes, of course. Here are some and you can take ______ of them.
A.every
B.all
C.any
D.either
风管法兰绝热层的厚度,不应低于风管绝热层厚度的()。
A.60%
B.70%
C.80%
D.90%