新中国成立以来,我国先后进行了()次全国性的营养调查
A.2
B.3
C.4
D.5
E.6
参考答案:B
句型转换。
1. The book was so interesting that I read it the whole night. (改为同义句)
It was ____ book that I read it the whole night.
2. Lily asked, "Where does Jim study?" (改为宾语从句)
Lily asked ____.
3. They got up early to catch the early bus. (改为同义句)
They got up early ____ they could catch the early bus.
4. To know about Chinese fashion cultures is meaningful for us. (改为同义句)
____ meaningful for us ____ about Chinese fashion cultures.
5. People say the modern car was made in America. (改为同义句)
____ the modern car was made in America.
A.当单刀双掷开关与a连接时,电压表的示数为22V
B.当单刀双掷开关与b连接时,电压表的示数为11V
C.当单刀双掷开关与a连接,滑动变阻器触头P向上移动的过程中,电压表的示数不变,电流表的示数变大
D.单刀掷开关由a扳向b时(滑动变阻器触头P不动),电压表和电流表的示数均变大