Phân biệt vận chuyển chủ động và vận chuyển thụ động

Mọi người trả lowuf nahnh giúp mk nha mk cần gấp lắm :(

So sánh sự giống và khác nhau của phương pháp luận biện chứng và phương pháp luận siêu hình? Lấy VD

Cho hình chóp tam giác S.ABC có SA vuông góc với đáy, tam giác ABC vuông cân tại B. Có cạnh AB=a. Góc giữa SB và mặt đáy là 60 ° . Thể tích hình chóp là:

A.  a 3 3 3

B.  a 3 3 4

C.  a 3 3 5

D. a 3 3 6

Choose the answer that best fits in each gap in the text below

It is back-to-school time in much of the world. Calm, easy mornings are replaced with busy, hurried ones. Children wake up early and get ready for school. Many parents are also getting ready for work, helping their children and preparing food for lunches. ski(32)_______ breakfast to save time. But that may be a big mistake for students.

That is the finding of a 2015 study from Cardiff University in Wales. Researchers there looked at 5000 9-11 year-olds from more than 100 primary schools in the U.K. They looked at what the students ate (33)_______ breakfast and then their grades 6 to 18 months later. They found that the students who ate a healthy breakfast (34)_______ twice as likely to perform above average in educational activities. The researchers also found that unhealthy breakfasts - such as potato chips or a donut did not appear helpful to educational performance.

A good breakfast is not just helpful for school-aged children. We all may gain from eating something healthy first thing in the morning. A study from researchers at the University of Toronto in Canada found that a breakfast rich in protein and complex carbohydrates (35)_______ performance on short- and long-term memory. Carbohydrates and protein are especially important because (36)_______ a major effect on long-term memory.

Question 34:

A. were

B. is

C. are

D. was