下列说法正确的是（ ） A．物体的内能增加，一定是吸收了热量 B．同一物体，温度

如图8-1-3所示，在水平桌面上放着一个质量为 m＝1.0 kg的物体，它与桌面间的动摩擦因数μ=0.2.当物体受到一个大小为F＝10 N、方向与水平面成θ=30°角的推力时，求在t＝10 s内此物体所受的各力的冲量及外力对物体的总冲量.

图8-1-3

根据对话内容，选择恰当的句子补全下列对话。

A: The plane is late, isn't it?

B: Yes. it is.

A: 1______

B: No, I don't. I'm just a tourist.

A: 2______

B: Yes. I have been here three times.

A: 3______

B: Mount Gu. Xichan Temple, Jiangbin Park and so on.

A: What do you think of Fuzhea?

B: It's beautiful. 4______

A: How do you like Min Food?

B: Very much. 5______ I must go now. Bye-bye!

A: Bye!

A. I don't think so.

B. Do you work here in Fuzhou?

C. Oh, here's my plane at last.

D. What places have you been to?

E. How long have you stayed in Fuzhou?

F. Have you ever been here before?

G. Great changes have taken place these years.

矿石的（）和焦炭灰分及含硫量决定着渣量。

什么是露点温度

我行会计管理类报表分为：（）。

A.业务提示清单

B.特殊操作清单

C.当日非会计流水清单

D.当日会计流水清单

E.业务数据清单