Nung 6 tấn thu được 2,3 tấn CaO. Tính hiệu suất phản ứng

1 Many people think Steve stole the money

➞Steve ___________________________

2 He started computer programming as soon as he left school

➞No sooner______________________

3 I regret going to his party last night

➞I wish_______________________________

4 There's no point in persuading Jane to change her mind

➞It's_____________________________________

5 "You're always making terrible mistake"said the teacher

➞The teacher complained__________________________

6 "Would you like to come to my birthday party, Mary?"said Mike

➞Mike_________________________________

1 Gary is pround of the fact that he is never late

➝Gary prides __________________________________________

2 I don't have enough money with me now;otherwise I will buy that coat

➝If I _________________________________________

3 She thought it was too difficult for her to finish her work by lunchtime

➝She found _____________________________________________

4 He speaks more persuasively than his brother

➝He is _______________________________________

5 "Shall I carry the suitcase for you, Pauline?" said John

➝John __________________________________________

6 You needn't go to that meeting

➝It isn't ________________________________

7 My birthday party was held in an expensive restaurant

➝The restauant____________________________

8 It was wrong of you to allow a three-year-old child to walk home alone

➝You should________________________________________

9 They decided to divide the money between the window of the life boatmen

➝They decided that______________________________

10 Keith certainly can't be held responsiable for the accident

➝In no way______________________________

1.Do you make the children to do the morning exercise everyday?

A B C D

2.There was nothing specially about his clothes apart from his flowery tie

A B C D

3. He promised to telephone though I have never heard from him again

A B C D

4 My big dog is perfectly harmful, and has never been known to attack anyone

A B C D

5 Near the park is a famous landmark calling the Unification Palace

A B C D

6 All Mike's friends felt sorry about him when he had to give up playing football

A B C D

7 We couldn't find the man who car was blocking our driveway

A B C D

8 A large number of people was killed during the earthquake in China in May 2012

A B C D

9 The dentist gave me a check up and then telling me I needed two fillings

A B C D

10 He warned me to make an eye on my luggage as that place was full of thieves

A B C D

1.If you want to join the History Society,you must ______this applicaton form

A.wake up B.fill in C.write down D.do up

2."This traffic is terrible",she said."You are right.People should _______"

A.less use their cars B.use less their cars C.use their cars less D.their cars use less

3."Computer certainly have changed the world"-"Yes,they make____to store information

A.it easier for people B.it more easily for C.people easier D.easier for people

4.______the students here are serious about studying

A.Most B.Almost C.Almost of D.Most of

5.Hello!BBC1_____can i help you?

A,Which B.When C.Where D.How

Hợp chất Acó công thức MX\(_y\),trong đó M chiếm 46,67 về khối lượng.M là kim loại,là phi kim có 3 lớp e trong nguyên tử.Hạt nhân M có n-p=4.Hạt nhân X có m'=p'(n,p ,n',p' là số notron và proton của nguyên tử Mvà X).Tổng số proton trong MX\(_y\) là 58.Xác định nguyên tử M và X