问题
单项选择题
炉管结焦后，炉出入口压降（）。
A、降低
B、没有影响
C、增加
D、不能确定
答案
参考答案：C
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炉管结焦后，炉出入口压降（）。
A、降低
B、没有影响
C、增加
D、不能确定
参考答案：C
| 选择正确的词填空。 | |
2. She _____ my friend. Her name _____ Wang Mei. 3. Where _____ your balls? They _____ under the bed. 4. _____ those apples? Yes, they _____. 5. On Sunday, I _____ watch TV. I must do my homework. 6. —_____ her daughter have a nice English name? —Yes, she does. 7. — _____ you spell the word? —Sorry, I can't 8. _____ his grandparents like him? 9. —Where _____ I? —You _____ in a new place. 10. —What _____ your uncle love? —He loves sports. |