complete th following

(dramatic,chemical,grammatical,classical)

1.I make a lot of_______mistakes in my writing.

2.If we want to reduce pollution,we have to make_____changes in the way we live

3.My father has a big collection of___________music

4.Some people need__________help because the drunk contaminated water.

5._________waste has been dumped into this lake,so it's seriously polluted.

choose A,B,C or D

1.Choose the word with a differents stress pattern from the others.

A.examinee B.electronic C.scientific D.preparation

2.I often drink coffe,but today I______________ tea.

A.am drinking B.drink C.drank D.drunk

3.By the time we got to the cinema,the film____________

A.started B.has started C.starting D.start

give the correct

1.Look at those clouds -I think it (rain)__________

2.If you use robots to do housework,you(become)______lazy and you(not get)___________

3.People say that technology(change)________up entire rooms small enough to put on destops and into wristwatches

4.We'll need(call)_______him more often.

5.Air (pollute)_______is not good for our health.

rewrite the following.

1.scients have invented new devices to help people live a longer life.

New devices_________________________________________________.

2.i don't have enough time,so i can't goon holiday this summer.

If_____________________________________________.

Read the passage and fill the blanks with the given w

Natural disasters result from natural (1)___________of the earth.However,in the last five decades,human activities have contributed to increasing the number of natural disasters.More landslides haveoccurred as a result of(2)_______________. Because there are fewertrees in the forest,the soil becomes loosends and more easily to be flushed down.Industrialization and urbanization contribute to global warming,leading to more intense disasters of all kinds,including hurricanes and tsunami.It is more difficult to have exact(3)____________of climate patterns such as ElNino and La Nina.According to the Office of US Foreign disaster Assistance,the total natural disasters reported each year have been steadily increasingin recent(4)_______________.In 1980,there were only about 100 hydro-meteorological disasters reported per year but that number has risen to over 300 a year since 2000.If humans do not take action,natural disasters will become more tragic ans we won't be able to cope with the(5)_____________of Mother Nature.

Trình bày các chính sách về kinh tế trong cuộc khai thác thuộc địa lần thứ nhất của thực dân Pháp Việt Nam(1897-1971).

1.Nêu sự khác biệt giữa khí hậu mùa hạ và mùa đông?

2.Biện pháp bảo vệ tài nguyên rừng?

Nêu 1 số ứng dụng của oxi,của Hidro?

nêu phương pháp điều chế:

a,O₂

b,H₂

Viết các PTHH (nếu có)

Nêu cách thu từng khí trong phòng thí nghiệm.

Nêu tính chất hóa học của:

H₂ H₂O

Mỗi tính chất viết một PTHH