Hàm số y = x 4 + 2 x 3 − 2017 có bao nhiêu điểm cực trị?

A. 1

B. 2

C. 0

D. 3

Biết rằng giá trị nhỏ nhất của hàm số y = m x + 36 x + 1  trên 0 ; 3  bằng 20. Mệnh đề nào sau đây đúng?

A.  0 < m ≤ 2

B.  4 < m ≤ 8

C.  2 < m ≤ 4

D.  m > 8

Read the passage and answer the questions

Anna is excited about the (1) __________activities she is going to do. The Y & Y (2) ___________ a plan to help the community soon. She will (3) _____________ its recycling programs. In this program, she will collect glass, used paper and empty cans. Then she will send them for (4) _________.

   She hopes she can save natural resources and earn some money for her school Y & Y in these activities. She also thinks (5) ___________ participating in either planting trees and flowers or helping the street children. It is really interesting, isn’t it?

Question 4:

A. recycle

B. recycling

C. to recycle

D. recycled

Read the following passage and answer the questions.

Once upon a time there was a young girl called Cinderella. Cinderella was living happily with her family when her mother died. Her father married an evil widow with two daughters. Cinderella’s stepmother and two stepsisters mistreated her. She had to wear old clothes and work hard while the sisters wore fancy clothes and had fun. A good witch helped Cinderella. She turned Cinderella’s old dress into a beautiful gown. Cinderella went to a party and a handsome prince politely invited her to dance with him. He fell in love with her and wanted to find out who she was. Cinderella left the party in a hurry and didn’t tell the prince her name. but she left a glass slipper, and the prince used that to find her. They got married and lived happily ever after.

What happened in the end?

……………………………………………………………….………………………

Choose the word whose underlined part is pronounced differently from the others

A. wanted

B. washed

C. decided

D. needed

Giai đoạn Tân kiến tạo, đồng bằng ở nước ta tập trung nhiều than bùn là:

A. Đồng bằng sông Hồng

B. Đồng bằng sông Cửu Long

C. Đồng bằng duyên hải miền Trung

D. Đồng bằng Thanh – Nghệ - Tĩnh

Hoocmôn nào dưới đây không tham gia vào cơ chế điều hoà đường huyết khi đường huyết giảm?

A. Glucagôn

B. Insulin

C. Cooctizôn

D. Tất cả các phương án còn lại

Do ham mê cờ bạc, anh Z đã mang sổ đỏ của gia đình đi cầm để lấy tiền cá độ bóng đá mà vợ anh Z không hề hay biết. Anh Z đã vi phạm quyền bình đẳng giữa vợ và chồng trong quan hệ nào?

A. Kinh tế

B. Nhân thân

C. Tài sản

D. Tiền bạc