防己断面的特征为
A.富粉性
B.纤维性
C.角质状
D.颗粒性
E.裂片状
参考答案:A
In order to increase the______ of the farm______, our government offers a lot of money to the peasants every year.
A.products; produce
B.produce; production
C.production; produce
D.production; products
直流照明负荷数据参考表中,控制室控制操作屏、台中央的长明灯计算负荷为()。
A.100~200W
B.50~100W
C.500W
D.800W