当横波入射到平面缺陷时，在一定条件下，就会产生（），这种现象与横波（）有关

One day , Mr. Jackson  took Paul to his favorite restaurant. It was a French restaurant. The  waiter was from France, but he didn’t speak to them in French.  ”Would you like to see menu?” , he asked in a kind way. ”Yes, please,”  Mr. Jackson said.

The  waiter gave them a menu each. They studied them. “ You can spend only twenty-five dollars,” Mr. Jackson told his son. The  waiter  asked  Paul,” What would you like, young man?”

“How much is the tomato soup?” Paul asked.

“ Six dollars,” the waiter said.” It’s very good.”

“How much is  the duck with orange?” Paul asked next.

“Fifteen dollars,” the waiter said.

“How much is the chocolate ice cream?”

“Six dollars,” the waiter said.

Paul added it up quickly. Six plus fifteen plus six is twenty-seven. He thought  he could have the duck and the soup, or the duck and ice cream.” I’ll have the duck and the chocolate ice cream, please,” he said to the waiter.

Paul said to his father, ”My meal will cost only twenty-one dollars. Can I keep the other four dollars? His father laughed.”No, Paul,” he  said ,”leave it for the waiter.”

小题1:How did the waiter speak to Paul and Mr. Jackson?

A．In a rough way

B．In a friendly way

C．I n French

D．Slowly小题2:What did Paul have for dinner?

A．The soup and the duck

B．The duck and the ice cream

C．The duck ,the soup and the ice cream

D．The soup and the ice cream小题3:How much did Paul’s meal cost?

A．$ 21

B．$ 24

C．$ 25

D．$27小题4:What did Mr .Jackson tell Paul to do with the other $4?

A． Keep it

B． Give it back to him

C．Spend it on soothing else

D．Give it to the waiter小题5:What does this passage tell us?

A．Paul and his father hate eating in restaurant.

B． Mr. Jackson ‘s favorite food is English food.

C．Paul was careful not to spend more than $25 in the restaurant.

D．Paul didn’t know what to choose from the menu.

涉及对执业活动的“守法”“诚实”“守信”等执业原则、经纪人员收入来源、经纪服务收费依据和标准等一些重大问题的认识，这是指房地产经纪职业道德中的( )。

A．职业良心

B．职业责任感

C．执业理念

D．职业纪律

卷烟工商双方共享的信息主要有（）。

A、市场信息

B、销售信息

C、品牌信息

D、反馈信息

述盒装衬衫陈列原则。

井口滑轮的轮槽是硬质合金制造的。（）