What can be inferred from the passage?
A.The majority of teenage users agree that social media has negative consequences in their lives.
B.Thanks to social media, more than two thirds of teens are supported when they face with challenges in their lives.
C.Boys are more likely to meet new friends than girls.
D.Most teens are not easy to give others their usernames when making new friends.

What is the best title of the passage?
A.The Belles – the Father of Parkour
B.How to Play Parkour
C.The World of Parkour
D.Is Parkour a True Sport?

I think my wife and I _______ on a small farm when I am retired.
A.will live
B.will be living
C.are living
D.have lived

Phân tử H2O có bao nhiêu cặp e dùng chung giữa H và O? Biết O (Z = 8), H (Z = 1).
A.1.
B.2.
C.3.
D.4.

When we ____ to the airport, I realized that I ____ my passport at home.
A.got - had left
B.got - was left
C.got - left
D.had got - had left

All the witnesses had been paid_________. Nobody told the truth at the court.
A.out
B.in
C.off
D.over

Nhỏ từ từ 200 ml dung dịch HCl 1M vào 100 ml dung dịch Na2CO3 1,5M. Sau khi phản ứng kết thúc thu được V lít khí CO2 thoát ra (đktc). Giá trị của V là
A.1,12.
B.2,24.
C.0,56.
D.3,36.

It is stated in the passage that ________.
A.the United States, Germany, and Japan succeeded in helping infant industries
B.supporters of globalization stress the benefits of removing trade barriers
C.the protests of globalization are directed against globalization itself
D.critics of globalization say that the successful economies are all in Asia

Polime nào sau đây được sử dụng làm chất dẻo?
A.Nilon-6.
B.Polietilen.
C.Amilozơ.
D.Nilon-6,6.

Hợp chất X tạo bởi 0,72 gam C; 0,06 gam H; 0,16 gam O, biết phân tử khối của X là 94. Công thức phân tử của X là
A.C2H4O.
B.C3H4O2.
C.CH4O.
D.C6H6O.