Câu 6. n:=1; While n>7 do n:=n+3; Câu lệnh trên thực hiện bao nhiêu vòng lặp?

A. 0 B. 1 C. 2 D. 4

Câu 7. Hoạt động nào sau đây được lặp với số lần chưa biết trước?

A. Mỗi ngày, em đánh răng 2 lần C. Số vòng quay của kim giây trong 1 giờ B. Vẽ một hình vuông D. Số lượt đánh cầu trong 1 trận cầu lông

Câu 8. Trong các câu lệnh lặp Pascal sau đây, câu nào hợp lệ:

A. While i= 1 do T=10;

B. While (n mod i <> 0) do i:= i+ 1

C. While 1 = 1; do Writeln (‘Dung’);

D. While x<=y do Writeln (‘y khong nho hon x’);

Câu 1. Câu lệnh lặp For...do, vòng lặp dừng lại khi nào?

A. Có lệnh dừng lại C. Không thê dừng B. Biến đếm bằng giá trị cuối D. Biến đếm bằng giá trị đầu

Câu 2. Trong Pascal, câu lệnh nào để lặp với số lần biết trước?

A. If...then B. If…then…else C. For…do D. While…do

Câu 3. Chọn phát biểu sai:

A. Biến đếm là biến kiểu số nguyên

B. Câu lệnh lặp với số lần chưa biết trước có dạng: For...do...

C. Câu lệnh có thể là câu lệnh đơn hay câu lệnh ghép

D. Sau mỗi vòng lặp, biến đếm được tự động tăng thêm một đơn vị

Câu 4. Hãy cho biết số lần lặp của câu lệnh sau: For i:=1 to 100 do...

A. 100 B. 101 C. 99 D. 1

16. We _________in the flooded area for many years

A. live B. lived C. have lived D. had lived

13.______ is a series of large ocean waves caused by an underwater earthquake or a volcanic explosion.

A. typhoon B. flood C. tsunami D. drought

14. They organized serveral activities to raise money for the poor from cars.

A. Serveal activities organized to raise money for the poor from cars.

B. Serveal activities were organized to raise money for the poor from cars.

C. Serveal activities are organized to raise money for the poor from cars.

D. Serveal activities were organized to raise money for the poor from cars by they.

Vietnam usually has a dozen storms every year from June through the end of November, and most of which occur in the Central and Northern provinces. November 2nd 1997, however, was an unexpected day when the major storm Linda raged in the South. Linda was the worst typhoon in Southern Vietnam over 100 years. Formed in the sea of the Philippines, Linda strengthened as it moved westward. Later, it struck extreme Southern Vietnam with wind of 100 kilometres an hour. Over 3,000 were reported lost and died. Ca Mau province, suffered a direct hit by the storm, had the most damage. Gusts and heavy rainfalls caused flooding, destroyed crops, damaged about 200,000 houses and left about 383,000 people homeless. The storm also affected Myanmar, Indonesia, Malaysia and Cambodia to a lesser degree.

* Decide whether the following sentences are true (T) or false (F) (0,5m)

5. Every year there are usually storms in Vietnam . à_________

6. The storm, Linda didn’t cause any affects to other countries .à _______

* Choose the best answers: (1m)

7. Which natural disasters usually happen in the Central and Northern provinces of Vienam every year?

A. Droughts B. Floods C. rainfalls D. storms

8. __________ of Vietnam had the most damage.

A. West provinces B. East provinces C. Southern provinces D. Northern provinces

9. The words it in the passage refers to ____________

A. the Philippines B. the typhoon, Linda C. Southern Vietnam D. Westward

10. What is the total of people reported lost and died in Linda?

A. Over two hundred thousand. C. More than three thousand

B. More than three hundred D. Over one hundred

19. Don’t drink that water. It’s contaminated.

A. damaged B. polluted C. dumped D. caused

* Choose the word that is OPPOSITE in meaning to the underlined part in the sentence below:

20. The storm hadn’t been weak when rescue workers arrived.

A. big B. strong C. long D. awful

* Choose the underlined part among A, B, C or D that needs correcting.

21. I would practice speaking English more often if I am her.

A. If B. would C. speaking D. am

22. The poison chemical waste is dumped into the river.

A. poison B. waste C. into D. dumped