Động lượng được tính bằng

A. N/s

B. N.s

C. N.m

D. N.m/s

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

WILLIAM THE HERO!

Brave William Baldock, who is six years old, is a hero after helping his mother when she fell downstairs. William quickly rang for an ambulance when he discovered his mother had broken her leg. In spite of being frightened, he (23) ______the emergency services what had happened and answered all the questions they asked him. He also telephoned his father at work, and then his grandmother, to explain what he had (24) ______. While waiting for these people to come, William looked after his 18-month-old sister. When ambulance man Steve Lyn went to the house, he was amazed: “It's great that a young boy of six knew the right number to dial, and was able to give us the correct information. (25) ______of William's quick thinking, we were able to (26) ______ there immediately.” Mrs. Baldock left hospital yesterday, very (27) ______ to both William and the ambulance service.

Question 26

A. manage

B. find

C. get

D. reach