Bai tap ap dung

Ngày tải lên: 24/06/2013, 01:28

Ngày tải lên: 29/06/2013, 01:27

... cđa kim lo¹i ho¸ trÞ II vµo dd HCl thu ®ỵc 0,2 mol khÝ CO 2 . TÝnh khèi lỵng mi míi t¹o ra trong dung dÞch? A. 13g B. 29g C. 26g @ D. 32g 5) Trén 60g bét Fe víi 30g bét lu hnh råi ®un nãng (kh«ng ... dd HNO 3 thu ®ỵc hçn hỵp khÝ gåm 0,01 mol NO vµo 0,04 mol NO 2 . TÝnh khèi lỵng mi t¹o ra trong dung dÞch? A. 6,59g B. 5,69g @ C. 4,56g D. 3,98g 7) §Ĩ m gam bét s¾t (A) ngoµi kh«ng khÝ, sau m...

Ngày tải lên: 04/07/2013, 01:25

... can't have been taken d. can't have taken 29. The garden ________. It has just started raining. a. needn't water b. needn't be watered c. needn't be watering d. needn't ... found the exam extremely easy. We ________ so hard. a. needn't study b. needn't be studying c. needn't have studied d. needn't have been studied 29. There is plenty of mone...

Ngày tải lên: 21/07/2013, 01:25

... because d. due to 26. The burglar _______. a. has been disappeared with the cash b. disappeared the cash c. disappeared with the cash d. was disappeared with the cash 27. Ellen _______ and sang her ... both men and women, as well as a cap on the head with plastic ear protectors and the player's number on both sides. Visiting teams wear lighter color caps, while home wears the darker colo...

Ngày tải lên: 23/07/2013, 01:25

Ngày tải lên: 23/07/2013, 01:26

... feels happy whenever he does not have much work to do. a. The more he works, the happier he feels. b. The less he works, the happier he feels: c. His work makes him feel happy. d. He feels happier ... he becomes, he is. a. The more rich / the more happy b. The richest / the happiest c. The richer / the happier d. Richer and richer / happier and happier 28. The fast we finish, _______. a. the...

Ngày tải lên: 23/07/2013, 01:26

... knives. / That tool is used to sharpen knives. BÀI TẬP ÁP DỤNG I. Match the sentences in the most appropriate way and then write two sentences as one using to-infinitive. 1.Trees were planted along

Ngày tải lên: 27/07/2013, 01:27