2. 专升本
  3. Solar cells have been developed primarily to______electric power for spacecraft.

Solar cells have been developed primarily to______electric power for spacecraft.

admin2017-03-15  45
问题 Solar cells have been developed primarily to______electric power for spacecraft.
选项 A、seek
B、provide
C、apply
D、ensure
答案B
解析
转载请注明原文地址:https://kaotiyun.com/show/l1XC777K
本试题收录于： 英语题库普高专升本分类
0

英语

普高专升本

相关试题推荐
随机试题
最新回复(0)