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khaclong123
2 năm trước
Cân bằng các phản ửng sau theo phương pháp thăng bằng electron ( mai mình nộp rồi, giúp với) H2S + H2SO4 → S + H2O S+HNO3→H2SO4+NO HI+H2SO4→I2+H2S+H2O
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II. Supply the correct form of the verbs in brackets. 1. You can’texpect (preserve).................... the man- made wonders without taking action. 2. She’s a good manager because she never avoids (deal) .................... with the problems of her staff. 3. Would you mind (tell) me about the French Gothic architecture? 4. I imagine (go) .................... back to the 20th century and (witness) ....................the construction of Cu Chi Tunnels. 5. We recommend (book) .................... early, as this is a popular event. 6. Youngsters nowadays seem (lack) awareness of protecting the public places. 7. A lot of small towns in the area are definitely worth (visit) ..................... 8. E-mail allows us (send) ....................messages all around the world quickly and easily. 9. I suggested (put) .................... the matter of restoring Ben Thanh Market to the committee. 10. On the way to Hue, we stopped (pay) .................... a visit to a relative in Da Nang.

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