3. As a student, you must study hard and scientific technology to make contributions to our country.
2. We shouldn’t be afraid of . Instead, we must face it with confidence, try our best to solve them.
用方框中所给词的适当形式填空。
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difficulty, master, position, different, hungry, dare, insist, industry, method, retell |
1. With the development of , the pollution is becoming one of the most serious problems in our country.