When you invite western friends to dinne...d in the invitation?

We are ready. What's ______ dinne A: to B: y C: on D: fo

A good ___ with your parents is very important. A: irth B: dinne C: elationship D: ivalry

The main meal of the day, usually eaten in the evening A: eakfast B: dinne C: lunch

In table, which one is regarded to be an appropriate etiquette A: To talk with a mouthful of food B: To rock the table with your elbows C: use a toothpick or dental floss at the table D: To bring your children to dinne

在餐厅,你跟你的美国朋友打招呼,你说( ) A: So, you’re having dinner. B: How much do you have for dinne C: Hello. Have a nice dinner.

如果ξ与η不相关，则（）。 A: D（ξ+η）=Dξ+Dη B: D（ξ-η）=Dξ-Dη C: D（ξη）=Dξ·Dη D: E（ξη）=Dξ·Dη

已有定义intd=-2;，执行以下语句后的输出结果是：printf('*d(1)=%d*d(2)=%3d*d(3)=%-3d* ',d,d,d,d);printf('*d(4)=%o*d(5)=%7o*d(6)=%-7o* ',d,d,d,d);printf('*d(4)=%x*d(5)=%6x*d(6)=%-6x* ',d,d,d,d);

圆柱螺旋弹簧的旋绕比C是（） A: d/D B: d/D C: D/d D: D/d

已有定义int d= –2；执行以下语句后的输出结果是。 printf(" * d(1) =%d * d(2)= %3d * d(3) =% –3d * "，d，d，d)； printf(" * d(4) =%d * d(5)= %7d * d(6) =% –7d * "，d，d，d)；