题目内容
(请给出正确答案)
[单选题]
He had___exciting experience last night.
A.x
B.the
C.an
D.a
答案
查看答案
A.x
B.the
C.an
D.a
第5题
A、理想气体的物理有效能变化
B、各种过程的物理有效能变化和化学有效能变化
C、各种过程的物理有效能变化
第8题
A.X1/2+X2/3+X3/4
B.X1/4+X2/6+X3/12
C.X1/2+X2/3-X3/6
D.2X1/3+X2/2-X3/6
第11题
It is hard to know what a painter is trying to say because______.
A.most painters do not express themselves well
B.a painter uses unusual words and phrases
C.a painter uses shapes and colors instead of words
D.many painters do not say anything