傍晚面向太阳,前面是______,左面是______
A.东 B.西 C.南 D.北.
因为太阳在西面落下,所以面对太阳就是面对西,
则左面是南,
故应选:B,C.
–How clean and tidy your bedroom is!” –Thank you. It ____ every day.
A.cleans
B.is cleaned
C.was cleaned
D.is cleaning
脉络膜的作用有()
A.产生房水
B.营养视网膜的外层
C.屈光调节
D.眼球遮光和暗房作用