读下图，回答各题。

小题1:图中所示的天体系统有

A．1个

B．2个

C．3个

D．4个小题2:地球上存在生命的基本条件不包括

A．距日远近适当

B．体积和质量适当

C．有液态水

D．有卫星绕转

A: Well, Mrs. Anderson, I’ve completed my examination and I’m happy to say that there’s nothing serious.
B: __________________

A. Well, is the examination difficult for you
B. Don’t you think I should have X-rays
C. Oh, I don’t believe it.
D. Are you sure that your examination is correct