城市景观的主要内容有哪些？

—Have you played baseball before？We need one more player.

—________.I like ball games，so I believe it will be interesting to learn baseball.

A．Sometimes

B．Not really

C．Never mind

D．That’s cool

读“世界大洲和大陆分布图”，完成下列要求（每格1分共10分）                                                                                                                                                                                                                                                                                                                                                                                                    

七大洲为： A是        B是        C是          D是          

E是         F是         G是          

四大洋为：①              ②                  ③              

I'm very tired and I want to stop          a rest.[ ]

A. having

B. to have

C. has

D. to having

“待摊费用”账户，按其反映的经济内容看，属于资产类账户。

双动滑阀全关时的剩余面积起（）作用

A.单向阀

B.节流

C.安全阀

D.截止阀