V. Complete the second sentence so that it has similar meaning to the first.

46. The driver allowed the old man to travel on the bus without a ticket.

The driver let ..........................................................................................

47. Your sister wore your hat.

I saw .......................................................................................................

48. Did Tam do something suspicious ?

Did you notice --------------------------------------------------------------?

49. Tom prepared the sandwiches. Diana watched him.

Diana ..................................................................................................

50. The children are incapable of doing such heavy work. They are not old enough.

The children are too ...........................................................................

1. Cho tứ diện ABCD, gọi M, N, P lần lượt là trung điểm AB, AC, AD. Chứng minh:

a. MN // (BCD)

b. NP // (BCD)

c. MP // (BCD)

2. Cho tứ diện ABCD. Lấy điểm M trên cạnh AD, lấy điểm N trên cạnh BC (M không trùng với điểm A hoặc D, N không trùng với điểm B hoặc C). Mặt phẳng ( α ) đi qua điểm M, N và song song với đường thẳng CD.

a. Xác định giao tuyến giữa mặt phẳng ( α )và (BCD).

b. Xác định giao tuyến giữa mặt phẳng ( α) và (ACD)

Giúp em ạ!

II. BÀI TẬP.

1. Cho tứ diện ABCD, gọi M, N, P lần lượt là trung điểm AB, AC, AD. Chứng minh:

a. MN // (BCD)

b. NP // (BCD)

c. MP // (BCD)

2. Cho tứ diện ABCD. Lấy điểm M trên cạnh AD, lấy điểm N trên cạnh BC (M không trùng với điểm A hoặc D, N không trùng với điểm B hoặc C). Mặt phẳng đi qua điểm M, N và song song với đường thẳng CD.

a. Xác định giao tuyến giữa mặt phẳng và (BCD).

b. Xác định giao tuyến giữa mặt phẳng và (ACD)

Giúp em với ạ!

III. Choose the option (A, B, C or D) corresponding to the best sentence that is made up from the sets of words and phrases given.

31. our I post office / well-trained staff / always / thoughtful / courteous / customers.

A. A well-trained staff in our post office, who are always thoughtful and courteous to customers.

B. Our post office has a well-trained staff, who are always thoughtful and courteous to customers.

C. Our post office has a well-trained staff, that are always thoughtful and courteous to customers.

D. Our post office has a well-trained staff, they are always thoughtful and courteous to customers.

32. if /you/ want I send / document I original shape / our facsimile service / help.

A. If you want to send a document for original shape our facsimile will help you.

B. If you want to send a document to original shape our facsimile will help you.

C. If you want to send a document with original shape our facsimile will help you.

D. If you want to send a document with original shape our facsimile would help you.

33. equipped / our school library / advanced technology,

A. Our school library is equipped with advanced technology.

B. Advanced technology is equipped for our school library.

C. Our school library is equipped in advanced technology.

D. Advanced technology equipped our school library.

34. you/ help /me / send / document I office /fax?

A. Could you help me sending this document to my office by fax?

B. Could you help me send this document into my office by fax?

C. Could you help me to send this document to my office in fax?

D. Could you help me to send this document to my office by fax?

35. fax transmission / convenient way / transmit / texts / graphic / distances.

A. Fax transmission is a convenient way to transmit texts and graphic with distances.

B. Fax transmission is a convenient way transmitting texts and graphic over distances.

C. Fax transmission is a convenient way to transmit texts and graphic over distances.

D. Fax transmission is convenient way to transmit texts and graphic over distances.

Giúp em ạ!

II. Pick out the word that has the stress pattern different from that of the others.

6. A, notify B. provide C. original D. subscribe

7. A. messenger B. document C. possible D. deliver

8. A, telephone B. express C. radio D. newspaper

9. A. relative B. maximum C. competitive D. distance

10. A, receive B. parcel C. courteous D. favourite