His name is James but he calls ________ Jim.[ ]
A. his
B. himself
C. him
D. 不填
答案:B
在年日照时数2000小时条件下,每平方米晶硅电池太阳能光伏组件的年发电量(KWh)约为()。
A.150
B.200
C.300
D.500
粮情检查中的“三温”是指:气温、仓温、粮温。