问题
单项选择题
炭化室的锥度()。
A.机侧比焦侧宽
B.焦侧比机侧宽
C.机焦一样宽
答案
参考答案:B
炭化室的锥度()。
A.机侧比焦侧宽
B.焦侧比机侧宽
C.机焦一样宽
参考答案:B
补全对话,从方框中所给的选项中选择正确的选项补全对话。 | |
B: Sure. My name is John. A: 2.______________________________ B: Yes, I do. Look, this is a letter from my pen pal. A: 3._______________________________ B: He is a cook. A: 4.________________________________ B: He lives in Canada. A: 5.________________________________ B: In the letter, he says he wants to visit me next month. |