目前,利用加热炉废气余热的装置有()。
A.冷却器
B.预热器
C.余热锅炉
D.余热发电
参考答案:B, C, D
下列命题中,是假命题的有( )
A.直角都相等
B.三角形的两边之和大于第三边
C.内错角相等
D.相等的角不一定是对顶角
-----Are you still thinking about yesterday’s game?
------Oh, that’s ___________.
A.what makes me feel excited B whatever I feel excited about
C how I feel about it D when I feel excited