Đề 7

I>Question

1.What should we do___?

-Switch off the engine

2.When can we oper the___?

-when it is safe

3.what do we do when___?

-There are old ___or blanket over the radiation

4.Do we have to want a____?

-yes,we do

II>

1.The mechanical filler_________

-_____________is made of clonely___metal___

2.Tractive__filler have the_________

-Tractive___filler can rerave watter and____

3.New technology enables manufacturers to increase prodution

-New technology helps manufacturers to increase prodution

4.A capillary to be in a fridge do sesn't tallow____

-A capillary to be in a fricdge prevents liqwid from____

III>

1.Concretes (make)________?

-has concretes been made from________

2.The mechannical engineer (know) that a.....

-Does the mechanical engineer know that___could be sot____?

3.Ouring the next ten___probaply (find) a ____

-Ouiring the next ten__probaply will find a new

IV> A-V

1.Engines work by bursing____

-Động cơ hoạt động nhờ sự đốt cháy nhiên liệu do đó chúng tạo ra nhiệt .

2.What is heat______?

Xử lý nhiệt trong kĩ thuật được dùng để làm j?

V>

1.Có bao nhiêu dạng chuyển động trong kĩ thuật?

-How many kinds of motion are there in engineering

2.Các nghành kĩ thuật chính là....

-The main branches of engineering are :civil,mechanical,electrical,and electronic engineering