灰板条和挂瓦条的种类可以随便选择，价格经济的树种均可用来制作。( )

前颅窝骨折常出现( )

A．面神经损伤
B．腰穿脑脊液呈血性
C．熊猫眼征
D．乳突部皮下淤血斑
E．逆行性遗忘

判断正（T）误（F）。

     Is anyone hungry?

    Ann likes fish and chips. What is your favorite meal at home? Have you eaten food from another

country? Here is some information about some kinds of foods you might eat.

     Dumplings are eaten in different ways around the world. Chinese jaozi, Italian ravioli, Jewish

kreplach, and Polish pierogi are kinds of dumplings filled with meat, cheese, or vegetables.

     Pizza an international favourite came from the city of Naples, Italy about 700 years ago. Pizza is the

Italian word for pie, so you don't need to say pizza pie.

     Hamburger was first called Hamburger steak. Later, people just called them hamburgers. The

hamburger was named after the city of Hamburg, Germany.

     Frankfurters were named after the city of Frankfurt, Germany. About 1900, an American selling

cooked frankfurters called them hot dogs because they looked like a kind of small dog.

    Ice-Cream Cones were first sold at the World's Fair in St. Louis Missouri, in the USA, in 1904.

A scoop of ice cream was put into a cone. You eat the ice cream; then you eat the cone－nothing left

to throw away.

    Sandwiches were named after the Earl of Sandwich, a rich man in England in the 1700s. While he

was playing cards, he asked a servant to bring him two pieces of bread with a piece of meat between

them.

    This was the first sandwich.

( )1. Chinese jiaozi, Italian ravioli, Jewish kreplach, and Polish pierogi are kinds of dumplings.

( )2. Pizza is the Italian word for noodles.                                                      

( )3. In 1904, the first ice-cream cones were sold at the St. Louis World's Fair.                

( )4. A sandwich has sand in it.                                                                  

( )5. Another name for a frankfurter is hot dog.                                                  

( )6. The Earl of Sandwich lived in England in the 1700s.                                          

社会知觉者存在以下几种常见的效应( )。

A．晕轮效应

B．光环效应

C．先入为主

D．第一印象

用电泳方法分离蛋白质的原理，是在一定的pH条件下，不同蛋白质的（）、（）和（）不同，因而在电场中移动的（）和（）不同，从而使蛋白质得到分离。

根的中柱鞘细胞具有凯氏带。