giai de bt trac nghiem ve cau hinh electronbang tuan hoan

Tài liệu Bài tập trắc nghiệm về cấu hình electron (Có đáp án) pptx

... clo liên kết để tạo thành phân tử clo thì hệ: A. thu năng lượng. B. tỏa năng lượng. C. qua hai giai đoạn: tỏa năng lượng rồi thu năng lượng. D. không thay đổi năng lượng. 99. Hợp chất vừa có...

Ngày tải lên: 26/01/2014, 15:20

15 4K 47

BT trac nghiem ve cau dieu kien

... wouldn’t have had so many accidents. A. drive B. drove C. had driven D. driven 18) If I_____ that mistake again, my teacher will get angry with me. A. make B. makes C. made D. had made 19) If ... operate. 3. If we don’t save water, we will have to suffer fromn water shortage. A. Unless we don’t save water, we will have to suffer from water shortage. B. If we save water, we will have to suffer from ... you, I will go to the dentist’s and have the tooth checked. A B C D 7. If the weather weren’t too bad, we would to go swimming A B C D 8. Unless we leave a bowl of water under the sun, it will...

Ngày tải lên: 05/07/2014, 22:00

6 5.6K 37

CHUYEN DE BT TRAC NGHIEM CAU ĐIỀU KIỆN VÀ MĐ GIẨ ĐINH WISH

... can't defend ourselves. D. Vigilance is not the only way to defend ourselves. 11. Because the street was crowded with people, I couldn’t drive fast. A.If the street weren’t crowded with people, ... they'll fall the harder. 10. The only way to defend ourselves is vigilance (thận trọng). A. We defend ourselves by being vigilance. B. If we want to defend ourselves, vigilance is not necessary. C. ... time unless I’ll have to work overtime. A B C D 7. Had you been careless, You wouldn’ t have had an accident. A B C D 8. Were our train arrived punctually, we should have time to visit your...

Ngày tải lên: 31/08/2013, 04:10

3 1.8K 111