What can you infer from the description of Cassini in Para.7?
A. Cassini helped a lot to reveal the mystery of the moon.
B. People seldom feel surprised at the scene of Saturn today.
Cassini seldom sends back heart-stirring data about Saturn.
D. People know little about the surface of Saturn.
查看答案
What must all sentences contain?
A. 2 independent clauses
B. start with a capital letter, have a noun, verb or action work and end in a punctuation mark.
C. contain a dependent and independent clause
A complex sentence contains two independent clauses.
A. true
B. false
People relax in many different ways.
A. true
B. false
Everyone needs sleep for
A. their health
B. winning a bet
C. a job
微信支付 
支付宝支付