地物符号可分为以下（）三类。
A.图文符号
B.比例符号
C.非比例符号
D.半比例符号
E.象形符号
参考答案：B, C, D
— If our team gets the first place, we will get a bonus. With that bonus, I will go for a trip with my girl friend.
— _______.
A．Great minds think alike
B．Never judge a book by its cover
C．An old dog cannot learn new skills
D．Don’t count your chickens until they are hatched
鸦片战争前，清政府实行闭关锁国政策的根源是自给自足的封建经济。[ ]
