目前采用的冲洗液有加重冲洗液、泥浆、()等。
A、污水
B、空气
C、乳化液
D、汽油
参考答案:C
Yesterday our head teacher made such an ____ speech that we all felt _____.
A.exciting; exciting
B.excited; excited
C.exciting; excited
D.excited; exciting
农业监测的过程和监测方案的内容