Nơron vận động còn được gọi là:

A. Nơron hướng tâm

B. Nơron li tâm

C. Nơron liên lạc

D. Nơron trung gian

Read the following passage and answer the questions.

Mai likes camping. She often goes to the beach on the weekend with her parents and her brother. They sometimes go sailing and swimming there. Mai’s brother usually brings a camera to take some photos. Mai and her parents bring food, drinks and fruits. They are going to camp in the countryside this weekend. They are going to stay there for two days. They aren’t going to go sailing but they are going to go to the pagodas tomorrow.

Question: Are they going to stay there for 12 days?

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Read the following passage and answer the questions.

Mai likes camping. She often goes to the beach on the weekend with her parents and her brother. They sometimes go sailing and swimming there. Mai’s brother usually brings a camera to take some photos. Mai and her parents bring food, drinks and fruits. They are going to camp in the countryside this weekend. They are going to stay there for two days. They aren’t going to go sailing but they are going to go to the pagodas tomorrow.

Question: What does Mai’s brother usually bring?

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Phương trình nào sau đây vô nghiệm?

A. -|x + 1| = 1

B. |x| = 9 

C. 3|x – 1| = 0

D. | x − 1 − 2 |  = 10

Số các giá trị nguyên của x thỏa mãn cả hai bất phương trình:

x + 2 5 − 3x − 7 4 > − 5 và  3x 5 − x − 4 3 + x + 2 6 > 6

A. 2

B. 3

C. 1

D. 0