问题
判断题
艾滋病全称为获得性免疫缺陷综合征，是一种由逆转录病毒引起的人体免疫缺陷传染病。
答案
参考答案：对
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艾滋病全称为获得性免疫缺陷综合征，是一种由逆转录病毒引起的人体免疫缺陷传染病。
参考答案：对
| 选词填空（用适当形式）。 | |
2. To make sure that he was at home, I ____ him ____ in advance. 3. Just___ with it, and you will succeed. 4. The whole things were ____ , and mother was angry. 5. ____ solving the problem now. 6. She____the water and came up coughing. 7. The shepherd____to look for the sheep that had wandered away. 8. He was very angry and____before I finished my sentence. 9. He was very busy then and promised to ____ later. 10.____ ,he would visit me in the countryside. |