What did the universe look like in ancient Chinese people’s eyes？（)
A. The Earth is carried on the back of six big elephants
B. The Earth is flat, floating on water with four elements above
C. The universe consists of the square earth down surrounded by seas as a complete circle and the round sky above
D. he Earth rotates around the Sun
查看答案
The rewards you get in this job are in direct __________ to the effort you put in.
A. population
B. proportion
C. popularity
D. populous
Which word with the diphthong（双元音) is different？（)
A. door
B. affluent
C. actual
D. tourist
Which word with the diphthong（双元音) is different？（)
A. where
B. fear
C. their
D. scare
Which invention was made for navigation？（)
A. gunpowder
B. papermaking
C. printing
D. compass
微信支付 
支付宝支付