Solar Acells, which are often Bcall photovoltaic cells, are Ccomposed of single

游客2024-01-02 43

问题 Solar Acells, which are often Bcall photovoltaic cells, are Ccomposed of single crystals of Dsilicon.

选项 A、
B、
C、
D、

答案 B

解析 Call is incorrect after are often because it is not the passive form. Correction: called.

转载请注明原文地址:http://tihaiku.com/zcyy/3328008.html

相关试题推荐

随机试题

最新回复(0)

SolarAcells,whichareoftenBcallphotovoltaiccells,areCcomposedofsingle