Ai đúng? Ai sai?

Bạn Đức đố: "Bậc của đa thức M = x6 – y5 + x4y4 + 1 bằng bao nhiêu?"

Bạn Thọ nói: "Đa thức M có bậc là 6".

Bạn Hương nói: "Đa thức M có bậc là 5".

Bạn Sơn nhận xét: “ Cả hai bạn đều sai”

Theo em, ai đúng? Ai sai? Vì sao ?

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each

pair of sentences in the following questions.

The team leader allowed members to make important decisions. He fostered their spirit of commitment.

A. Allowing members to make important decisions, the team leader fostered their spirit of commitment. 

B. On the behalf of the team, the leader made important decisions to foster their spirit of commitment. 

C. Although the team leader wanted to foster the spirit of commitment among members, he made important decisions on his own. 

D. All members could make important decisions, so that the spirit of commitment would be discouraged.

Ở trong hệ dẫn truyền tim, khi bó Hiss nhận được kích thích thì sẽ truyền đến bộ phận nào sau đây?

A. Nút xoang nhĩ.

B. Mạng Pôuking.

C. Nút nhĩ thất.

D. Tâm nhĩ.

Mark the letter A, B, C, or D to indicate the phrase that is CLOSEST in meaning to the underlined ones. 

We admired the expertise with which he prepared the meal 

A. activity

B. courage

C. mastery

D. effort

Tính tích các đơn thức sau rồi tìm bậc của đơn thức nhận được:

12 15 x 4 y 2   v à   5 9 x y

Read the following passage and mark the letter A, B, C or D to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.

The latest addiction to trap thousands of people is Internet, which has been (31) ______ for broken

relationships, job losses, financial ruin and even one suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could (32) ______ serious problems and ruin many lives. Special help groups have been set up to offer sufferers help and support.

IAS is similar to (33) ______ problems like gambling, smoking and drinking: addicts have dreams about Internet; they need to use it first thing in the morning; they lie to their partners about how much time they spend online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet; although they felt guilty, they became depressed if they were (34) ______ to stop using it.

Almost anyone can be at risk. Some of the addicts are teenagers who are already hooked on Computer games and who (35) ______ it very difficult to resist the games on the Internet. Surprisingly, however, psychologists say that most victims are middle-aged housewives who have never used a computer before.

Question 35

A. have

B. find

C. feel

D. say

* Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.

Immediately after his arrival home a water-heater exploded.

A. Hardly had he arrived home than a water-heater exploded. 

B. No sooner had he arrived home than a water-heater hadexploded. 

C. Hardly had he arrived home when a water-heater exploded. 

D. Scarcely he arrived home when a water-heater exploded.

* Mark the letter A, B, C, or D on you answer sheet to indicate the word that differs from the rest in the position of the main stress in each of the following questions.

The message was often enhanced by a__________ drawing specifically to attract the attention of children.

A. light-minded

B. light-headed

C. light-footed

D. light-hearted

Amino axit X có công thức (H₂N)₂C₃H₅COOH. Cho 0,02 mol X tác dụng với 200 ml dung dịch hỗn hợp H₂SO₄ 0,1M và HCl 0,3M, thu được dung dịch Y. Cho Y phản ứng vừa đủ với 400 ml dung dịch NaOH 0,1M và KOH 0,2M, thu được dung dịch chứa m gam muối. Giá trị của m là

A. 8,09.

B. 10,45.

C. 6,38.

D. 10,43.