vd:hoa hồng,hoa huệ

2 hoa này đều có mùi thơm

Tìm x

3 x  x = 7,8

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks

   My first job was a sales assistant at a large department store. I wanted to work part-time, because I was still studying at university and I was only able to work a few nights a week.

   I came across the advertisement in the local newspaper. I remember the interview as though it were yesterday. The (19) ________ manager sat behind a large desk. He asked me various questions which surprised me because all I wanted was to work in sales. An hours later, I was told that I had got the job and was given a contract to go over. I was to be trained for ten days before I took my post. Also, as a member of staff, I was (20) ______ to some benefits, including discounts.

   When I eventually started, I was responsible (21) _______ the toy section. I really enjoyed it there and I loved demonstrating the different toys. I was surprised at how friendly my colleagues were, too. They made working there fun even when we had to deal with customers (22) ______ got on our nerves. (23) _______, working there was a great experience which I will never forget.

Question 21:

A. for

B. with

C. in

D. to

Read the passage below carefully, and then choose the best answer

MANY KINDS OF MICROBES

There are thousands of different kinds of microbes. Microbes called (1) _______ are the smallest living things. Bacteria live almost everywhere: on land, in water, and even (2) _______ you.

Some microscopic life forms are like plants. Tiny diatoms are microbes that live in lakes and the ocean. Diatoms soak up (3) _______ and use its energy to make food, just like plants.

Some microscopic life forms are more (4) _______ animals. Protozoa such as the amoeba and paramecium are animal-like microorganisms. An amoeba can move (5) _______ changing the shape of its body. It sticks out a pseudo pod, or false foot. A paramecium is (6) _______ with tiny hairs. It waves its hairs rapidly to swim.

Viruses are (7) _______ kind of microbe. Viruses sometimes act like living things and other times act like nonliving things. Viruses sometimes live in the cells of plants and animals. (8) _______ a cell, a virus reproduces like a living thing. The virus uses the cell to make many copies of itself. Viruses are (9) _______ small to see with an ordinary microscope. You need a powerful electron microscope to see a virus. Outside of a plant or animal cell, a (10) _______ is like a nonliving thing.

Question 33:

A. Outside

B. Inside

C. Beside

D. Near

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Pesticide residues in fruit and vegetable can be _______ to health.

A. crucial

B. supportive

C. receptive

D. destructive