Giúp em câu 8 ạ

Cho tam giác MNP vuông tại M, đường cao MD. Biết MD = 12cm, PD = 16cm. Từ D kẻ đường cao DK của tam giác MND. Tính DK

Áp dụng Hàng đẳng thức số 3, làm các bài toán sau:

Tính nhanh:

1. 3(2²+1)(2⁴+1)(2⁸+1)(2¹⁶+1)

2. 100² - 99² + 98 - 97² +...+ 2² - 1²

1. My friend is fond of …… to music in the evening.

A. listen

B. to listen

C. listened

D. listening

2. When I was a child, I used …… up at 5.00 am.

A. getting

B. get

C. to getting

D. to get

3. This pagoda …… nearly one thousand years ago.

A. was built

B. has been built

C. built

D. has built

4. The doctor advised my father …… cigarettes any more.

A. not to smoking

B. smoke

C. not to smoke

D. not smoking

5. Lan received a lot of presents …… her sixteenth birthday.

A. in

B. to

C. on

D. at

6. We are very proud …… our school.

A. at

B. with

C. of

D. in

7. Jack plays soccer very well, ……?

A.didn't he

B. does he

C. doesn't he

D. did he

8. It’s too noisy! Can you …… the music?

A. turn up

B. turn off

C. turn on

D. turn over

9. My grandmother …… in the countryside for 5 years.

A.has lived

B. lived

C. lives

D. have lived

10. My class …… on a trip to Tam Dao last weekend.

A. have gone

B. go

C. goes

D. went

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