II- Choose the best answer
1. When you are on duty, your uniform must …………………. at all times.
A. wear B. be wear C. be worn D. be wearing
2. After the test papers …… to the students in class tomorrow, the students ……………. their next assignment.
A. will return – will be given B. will be returned – are given
C. are returning – are giving D. are returned – will be given
3. The class for next semester is too large. It ought to …………………. in half.
A. be divided B. divide C. have divided D. been divided
4. The entire valley can ………… from their mountain home. A. see B. be seen C. being seen D. sees
5.People believe that the storm caused much damage.
A. The storm is believed to cause much damage. B. The storm is believed to have caused much damage.
C. The storm was believed to cause much damage. D. The storm is believed that to cause much damage.
6. Your daughter has a good voice. Her interest in singing …………………. encouraged.
A. should be B should C. be D. have
7. You had better …….your chores before Mom gets home.
A. be finished B. have finished C. have been finished D. finish
8. These books will have to …………………. to the library tomorrow.
A. return B. have returned C. being returned D. be returned
9. Ann’s birthday was on the 5th, and now it’s already the 8th. Her birthday card …. a week ago.
A. will be sent B. can be sent C. should have been sent D. should have sent
10. You …………………. me to Dr. Gray. We’ve already met.
A. don’t have to introduce B mustn’t be introduced C. shouldn’t introduce D. mustn’t introduce
I-For each question, complete the second sentence so that it means the same as the first
1. We all expect Marta to pass the exam.
----->Marta.................................
2. Jack is going to have his house painted next month.
--------> Jack intends……................................
3. She gave him a box full of chocolate.
---->He.........................
4. He is certainly not going to join our trip next weekend.
-> He does ………………………………………………………………………………………………..
5. They are going to build a new school in this town. (intend)
->………………………………………………………………………………………………………………….
6. We don’t plan to celebrate our wedding anniversary next Thursday.
-> We are not ……………………………………………………………………………………………………
7. The consumption of blueberries and tomatoes can delay short-term memory loss or Alzheimer’s.( passive)
-> …………………………………………………………………………………………………
8. Just a handful of pumpkin seeds a day provides you with your recommended daily amount of zinc.
-> You …………………………………………………………………………………………………………………
9. The bones in the skeletal system support all the body organs. (supported)
->………………………………………………………………………………………………………………….
10. Is Linda going to give a lecture on tropical fauna?
-> Does Linda ……………………………………………………………………………………………………….
-> Is ……………………………………………………………………………………………………………
11. You’ll get a rise in salary after six months ( raised )
® After six months, your salary ......................................................................................
12. The library stays open until seven o’clock ( close )
® The library ............................................................................................ until seven o’clock
Hòa tan 4,52g hỗn hợp 2 muối cacbonat của 2 kim loại A và B kế tiếp nhau trong phân nhóm chính IIA bằng dung dịch HCl 0,5M.Sau phản ứng thu được dung dịch C và 1,12 lít khí CO2(đktc).Toàn bộ lượng khí CO2 thu được ở trên được hấp thụ hoàn toàn bởi 200ml dun dịch Ba(OH)2 để:
a>Thu được lượng kết tủa lớn nhất
b>Thu được 2,97g kết tủa
c>Nếu CMBa(OH)2CMBa(OH)2=0,2M.Tính khối lượng kết tủa thu được và nồng độ mol các chất sau
Hòa tan 4,52g hỗn hợp 2 muối cacbonat của 2 kim loại A và B kế tiếp nhau trong phân nhóm chính IIA bằng dung dịch HCl 0,5M.Sau phản ứng thu được dung dịch C và 1,12 lít khí CO2(đktc).Nếu \(C_{M_{Ba\left(OH\right)_2}}\)=0,2M.Tính khối lượng kết tủa thu được và nồng độ mol các chất sau
Cho tứ giác ABCD.Gọi M,N,P,Q,I,J lần lượt là trung điểm của các đoạn thẳng AB,BC,CD,DA,AC,BD.CMR:
\(a>\overrightarrow{AM}+\overrightarrow{BN}+\overrightarrow{CP}+\overrightarrow{DQ}=\overrightarrow{0}\)
\(b>\overrightarrow{QM}=\overrightarrow{PN}\)
\(c>\overrightarrow{AB}+\overrightarrow{CD}=\overrightarrow{AD}+\overrightarrow{CB}=2\overrightarrow{IJ}\)
\(d>\Delta APN\) và \(\Delta CQM\) có cùng trọng tâm
V. Write complete sentences using the words/ phrases given.
1. Drinking green tea/ twice/ three times/ day/ bring/ you/ visible results/ days.
-> …………………………………………………………………………………………………………..
2. My house/ build/ grandfather/ over fifty years ago.
-> ……………………………………………………………………………………………………………
3. Hot water/ help/ eliminating/ fat deposits/ your body.
->………………………………………………………………………………………………………………….
4. If / you/ habbit/ drinking cold water/ try/ replace/ it/ hot water.
->………………………………………………………………………………………………………………….
5. Teenagers/ need/ love and support/ their parents/ when they face/ many changes/ their lives.
->………………………………………………………………………………………………………………….
6. My house/not paint/ at the moment/ because/ it/ rain/ heavily.
=>................................................................................................................................................................................
7. For teenagers/ parents and families/ a source/ care/ emotional support.
->………………………………………………………………………………………………………………….
8. Eating regularly food/ hotels, restaurants or roadside food stalls/ increase/ weight/ so/ you/ stick/ home-made foods.
->………………………………………………………………………………………………………………….
9. Nowadays/ more and more men/ willing/ give a hand/ household chores/ the house.
->………………………………………………………………………………………………………………….
10. Parents/ share experience/ their children/ so that/ they not/ make wrong decisions.
->………………………………………………………………………………………………………………….