反映机体内脏蛋白情况的检查方法是（）。 A.三头肌皮皱厚度 B.上臂中部周长 C.肌

下列词语中加点的字，注音全都正确的一项是(　　)

A．气氛(fēn)　　　果脯(pú)机杼(zhù)擢发难数(zhuó)

B．插科打诨(hún)令人咋舌(zé)噤若寒蝉(jìn)刹那(chà)

C．刽子手(guì)犄角(jī)一哄而散(hòng)数见不鲜(shuò)

D．肖像(xiāo) 黑魆魆(xū)雾霾(mán)曲高和寡(hè)

阅读短文,回答问题。

      Sandwich is an Englishman. He lives in the 18th century. Sandwich is rich, but he likes to played

cards for money. He often play for 24 hours, and doesn't even stop to have his meals. He orders

his servants to bring him some meat and bread. He puts the meat between the two pieces of bread

and holds the food in his left hand while he play cards with his right hand. People like Sandwich'd

idea, and from then on they eat bread and meat as Sandwich does.

      From the name of the man, Sandwich, we have the word of the food"sandwich"today.

1．Which country does Sandwich live in?

   __________________________________________________________________________

2．What does Sandwich like to do?

   __________________________________________________________________________

3．Why does Sandwich let others bring him something to eat?

   __________________________________________________________________________

4．How does Sandwich eat bread and meat when he plays cards?

   __________________________________________________________________________

5．Can you say something about the food "sandwich"?

   __________________________________________________________________________

如图所示，半球形容器固定在水平面上，O为球心，一质量为m的小滑块静止于P点．已知滑块和半球形容器间的动摩擦因数为μ，滑块所受支持力大小为F_N，摩擦力大小为F_f，OP与水平方向的夹角为θ．下列关系正确的是（　　）

A．F_f=μF_N

B．F_f=mgcosθ

C．F_N=mgcosθ

D．F_Nsinθ+F_fcosθ=mg

澳门经济发展的重要支柱产业是 （    ）

A．电子工业

B．纺织工业

C．玩具制造业

D．博彩旅游业

（）等场所消防设施齐全。

A.带式输送机机头

B.乳化液泵站

C.配电点

D.带式输送机尾