Read the passages below and choose the best tittle for each passage?

1. __________ Millie is 14 years old and lives in Miami. She has 204 friends – and she makes two or three more friends every week. About 20 of her friends also live in Miami. Some go to the same school, and others go to the same music clubs and sports centers. She often sees them. The others live in other cities and other countries: England, Canada, Japan … She never meets these friends, but she talks to them on the Internet. They are her “My Space Friends”.

SUGGESTED TITTLES:

Tittle 1 – Why do “friends” websites seem dangerous?

Tittle 2 – How do “friends” websites work?

Tittle 3 - What’s the best advice for people who want to use “friends” websites?

Tittle 4 – Where do Millie’s friends live?

Tittle 5 – How can I find “friends” websites?

Tittle 6 – Why are “friends” websites popular?

Question 1:

A. Tittle 1

B. Tittle 3

C. Tittle 4

D. Tittle 6

Biến Hoten lưu trữ giá trị hằng xâu ‘Nguyen Van Troi’ thì Hoten[4] cho ta kí tự là:

A. ‘ ’

B. ‘y’

C. ‘e’

D. ‘n’

 a) Vẽ đồ thị của các hàm số

y = x + 1 ;  y = 1 3 x + 3 ;  y = 3 x − 3

b) Gọi α, β, γ lần lượt là các góc tạo bởi các đường thẳng trên trục Ox.

Chứng minh rằng

tg α = 1 , tg β = 1 3 , tg γ = 3

Tính số đo các góc α, β, γ.