锡焊时,烙铁温度一般为()即可,切忌温度过高。
A.200-500°C
B.250-550°C
C.220-500°C
D.250-500°C
参考答案:B
如果境内上市外资股公司前一次发行的股份未募足,不可以申请增发。()
He described the town as if he__________ it himself.
A.had seen
B.has seen
C.saw
D.sees