我国未来的电力流向是（）。
A.西电东送
B.东电西送
C.北电南送
D.南电北送
参考答案：A, C
从下面方框中选出与下列各句中划线部分意思相同或相近， 并能替换划线部分的选项。 （共 4 小题，计 4 分）
小题1:Frank has a lovely dog.
小题2:I was asked to look after my little sister yesterday evening.
小题3:We have invited some more countries to rebuild the Silk Road.
小题4:Our hometown is famous for its food, pandas and places of interest.
下列属于低血压的是（）
A.100/70mmHg
B.85/55mmHg
C.80/50mmHg
D.90/60mmHg
