4. Chọn những thiết bị kết nối mạng? *

1 điểm

A) Vĩ mạng, Router, Dây cáp mạng

B) Bộ chuyển mạch, Hub, Micro, Camera

C) Vĩ mạng, Hub, dây cáp mạng, Camera

D) Loa, Micro, Camera, Vĩ mạng

cho 1,6 gam một loại muối sunfat của kim loại R hoá trị 2 tác dụng với du ng dịch BaCl2 dư thu được 2,33 gam kết tủa.công thức muối ban đầu là

muối x khi cho lần  lượt tác dụng với dd h2so4,dd AgNO3 đều sih ra kết tủa,X là

thể tích dd HCl 1M cần dùng để hoà tan vừa hết 2,4 gam Mg là

để phân biệt dung dịch BaCl2 Mg(NO3)2 ko thể dùng thuốc thử nào trong các thuốc sau
AgNo3
Na2SO4
NaOH
HCl

. The villagers are trying to learn English. They can communicate with foreign customers. (in order that)

2. We ate lunch. Then we went to Non Nuoc marble village to buy some souvenirs. (after)

3. This hand-embroidered picture was expensive. We bought it. (even though)

4. This department store is an attraction in my city. The products are of good quality. (because)

5. This is called a Chuong conical hat. It was made in Chuong village. (since)

Exercise 5: Rewrite the sentences using “wish”.

1.      I have to study hard.

 I wish ................................................................................................................

2.      We had a lot of homework yesterday.

 I wish ................................................................................................................

3.      It is raining heavily.

 I wish ................................................................................................................

4.      It was cold last night.

 I wish ................................................................................................................

5.      They work slowly.

 I wish ................................................................................................................

6.      She doesn’t join in the trip.

 I wish ................................................................................................................

7.      I am not good at English.

 I wish ................................................................................................................

8.      He studies badly.

 I wish ................................................................................................................

9.      He doesn’t like playing sports.

 I wish ................................................................................................................

10.  I don’t have a computer.

 I wish ................................................................................................................

11.  Today isn’t a holiday.

 I wish ................................................................................................................

12.  I can’t sing this song.

 I wish ................................................................................................................

13.  He was punished by his mother.

 I wish ................................................................................................................

14.  They won’t come here again.

 I wish ................................................................................................................

15.  He won’t go swimming with me.

 I wish ................................................................................................................

16.  We didn’t understand them.

 I wish ................................................................................................................

1.      She wish she could speak English well.

 ..........................................................................................................................

2.      I wish it didn’t rained now.

 ..........................................................................................................................

3.      I wish I was a doctor to save people.

 ..........................................................................................................................

4.      I wish I have more time to look after my family.

 ..........................................................................................................................

5.      He wishes it didn’t rain yesterday.

 ..........................................................................................................................

6.      I wish my father gives up smoking in the near future.

 ..........................................................................................................................

7.      I wish I studied very well last year.

 ..........................................................................................................................

8.      I wish you will come to my party next week.

 ..........................................................................................................................

9.      I wish it stops raining now.

 ..........................................................................................................................

10.  I wish you are my sister.

 ..........................................................................................................................

11.  She wishes she is the most beautiful girl in the world.

 ..........................................................................................................................

12.  I wish Miss Brown will come here and stay with us next week.

 ..........................................................................................................................

13.  I wish I am at home with my family now.

 ..........................................................................................................................

14.  I wish I could been there with you.

 ..........................................................................................................................

15.  She wish she could go home now.

 ............................................................................................

Viết một đoạn văn trình bày cảm nhận của em về bốn câu thơ sau:
“Tưởng người dưới nguyệt chén đồng,
Tin sương luống những rày trông mai chờ.
Bên trời góc bể bơ vơ,
Tấm son gột rửa bao giờ cho phai.”