Tiền lãi ( nghìn đồng) trong 30 ngày được khảo sát ở một quầy bánh kẹo:

Lập bảng phân bố tần số- tần suất ghép lớp: [29.5; 40.5), [40.5; 51.5), [51.5; 62.5), [62.5; 73.5), [73.5; 84.5), [84.5; 95.5]

Số trung bình cộng là:

I. Find the mistakes in the four underlined parts of the sentence and correct it. (0.5pt)

II. Complete the following sentences so that they have the same meaning as the previous ones. (2pts)

1. As the result of the bad weather, there may be delays on some international flights

Some international flights are subject.................................................................................

2. I never let anyone read my love letters.

I never let my ......................................................................................................................

3. It’s your duty to get prepared for the exam.

You are ................................................................................................................................

4. I’m very familiar with this neighbourhood.                             HAND .............................................................................................................................................

5. She did very well on her final exams.                                       COLOURS .............................................................................................................................................

6. I’m not in agreement with him on this proposal.                  EYE .............................................................................................................................................

7. Alfred is in trouble with his boss.                                              WATER .............................................................................................................................................

8. His name doesn’t sound familiar to me at all.                        BELL .............................................................................................................................................

9. My grandfather doesn’t go out often these days.                  EYER .............................................................................................................................................

10. Don’t try to do something more than you can manage.   BITE ............................................................................................................................................