1. Because of an accident , my train was held up for several hours

A. Cancelled B. Delayed C . Checked D. Continued

2. He no longer works here as a receptionist . Hee quit his job around three months ago

A. Gave up B. Looked up. C. Turned downed. D. Made up

3. "How much longer do we have to wait "? " I think we should wait five more minutes. He'll arrive soon "

A. Come up. B. Keep up C. Catch up. D. Turn up

4. James has good relationships with everyone in the company

A. Gets on well B.gets away C. Gets up D. Gets back

5. He rejected our school's ofter of employment, because he was offered a job in another school

A. Broker down B. Looked down. C. Turned down. D. Sat down

6. It took him six months to recover from his illness

A. Go over B. Get over C. Take over. D. Look over

7. I hope to com back to New Zealand one day in the future

A. Go B. Visit C. Return D. See

8. We're running out of milk. Can you get some on your way home today

A. Having a lot B. Having no more. C. Needing some more D. Needing less

9. Let's log onto to the website and find out what is on in Wellington

A. Get information about B. Share information C. Post. D. Advertise

10. She's looked throught the headlines with great interest

A. Watched B. saw. C. Posted D. Read

1. Opened in 1937, the Golden Gate Bridge in San Francisco still ranks among the top 10 ………… Bridge spans in the word

A. long. B. longer. C. mostly long D . longest

2. You need to concentrate and be ……… ; otherwise you'll easily get distracted by other things and fail to complete your work with great quality

A. self-confident B. self-disciplined C . patient C. generous

3. Due to personal …………, they are not friends anymore

A. interests. B. conflicts C. skills. D. concerns

4. I'm behind all my work schedules. I'm really ………… out

A. left. B. Stressed C. Frustrated D. Disappointed

5. If you like, i can …………… flowers on the cushion covers for you

A. glow B. make C.embroider D. knit

6. …………… she's young, she's the most famous artisan in the village

A. when B. Although C. whereas D. In order to

7. I will………… i have nothing to do

A. Bored B. Confused C. Tired D. Angry

8. I asked Martha ………… to enter law school

A. Was she planning B. Is she planning C. If she was planning D. Are you planning

9. I wondered ………… the right thing

A. Whether i was doing. B. If i am doing C. Was i doing D. Am I doing

10. Someone was wondering if the taxi ……… yet

A. Had arrived B. Arrived C. Arrives. D. Has arrived

Biết 40 gam hỗn hợp CaSO4 , CaCO3 tác dụng vừa đủ với 800ml dung dịch HCl thu được 2,24 lít khí ( đktc )

a. Tính nồng độ mol của dung dịch HCl đã dùng

b. Tính thành phần % theo khối lượng mỗi muối trong hỗn hợp ban đầu

Cho biết hiện tượng xảy ra và viết PTHH của các thí nghiệm sau :

a. Cho từ từ dung dịch BaCl2 vào ống nghiệm đựng dung dịch Na2SO4

b. Cho đinh sắt vào ống nghiệm đựng dung dịch HNO3 đặc, nguội

c. Cho lá đồng vào ống nghiệm đựng dung dịch H2SO4 đặc, đun nóng.

d. Cho dung dịch NaOH vào ống nghiệm đựng dung dịch BaCl2

e. Cho lá nhôm vào ống nghiệm đựng dung dịch CuSO4

Cho các chất sau Al, Fe(OH)3, P2O5, Na2O, SO3, K2SO4, KOH, NaCl, CaCO3, Ag ; chất nào tác dụng được với dung dịch HCl, H2SO4 loãng . Viết PTHH ( nếu có )