Câu hỏi:

a, Em hãy nêu khái niệm về mối ghép không tháo được?

So sánh ưu và nhược điểm giữa mối ghép bằng đinh tán và mối ghép bằng hàn ?

b, Kể tên 5 sản phẩm cơ khí dùng mối ghép bằng đinh tán, 5 sản phẩm cơ khí dùng mối ghép bằng hàn ?

Câu hỏi:

a, Em hãy nêu khái niệm về mối ghép không tháo được?

So sánh ưu và nhược điểm giữa mối ghép bằng đinh tán và mối ghép bằng hàn ?

b, Kể tên 5 sản phẩm cơ khí dùng mối ghép bằng đinh tán, 5 sản phẩm cơ khí dùng mối ghép bằng hàn ?

Help meeee !!!!

Should teenagers spend free time on facebook? Write a short
paragraph (about 70-80 words) to give your ideas.

BT: Điền vào chỗ chấm những từ trong khung:

Advisers ------ motivate ------ expensive ----- cultures -------- educational

Advantages of watching television.

In this busy, (1) ................... life, television is an easy and cheap source ofentertainment.
By watching international news, we are kept informed and up-to-date with breaking
news around the world.
Some shows and channels (like PBS and Discovery) offer (2) ..................... programs that
can increase our knowledge and make us more aware of the world around us.
Do-it-yourself shows give us easy access to all kinds of information: Cooking channels
offer new recipes and methods, home improvement showsintroduce us to many
money-saving DIY tips, and financial (3) ..................... give advice for managing finances
and investing money, for example. Television can also be a good way to help people
learn a different language.
Some shows can (4) ..................... people who are interested in that fieldand help them
to pursue their dreams.
TV can expand your mind. Some shows let you travel vicariously and teachyou about
different people, (5) ....................., ideas, and places you mightnever encounter in real
life. Watching a variety of shows might give us a broader understanding of the world we
live in and expose us to things we might otherwise never come across in our own lives.

giúp mk vs !!!!

BT1, Sắp xếp lại thành câu hoàn chỉnh.

1. detests/ Laura/ pottery./ making
..........................................................................................................................................
2. laboratory/ Minh Nam and I/ spending/ love/ a/ do/ hours/ to/ an experiment./ in
..........................................................................................................................................
3. interested in/ I/ fishing/ cold/ am not/ weather./ in/ this

...........................................................................................