giải thích ý nghĩa của nguyên phân đối với di truyền và sinh trưởng phát triển chọn giống của cơ thể

Phân tích nhiễm sắc thể giúp thực hiện được chức năng

I. CONDTIONAL SENTENCES TYPE 1: (Type 1: If + S + V_{present tense}, S + will/can + V_infinitive)

S + will/can + V_infinitive If + S + V_{present tense} )

1. Put the verbs into the correct forms(Đặt các động từ vào các hình thức chính xác)

1. If the phone (ring) ___________,_______________(you/answer) it?

2. We (not eat) ____________ vegetable if they (be) ___________poisonous and incredible

3. He is waiting for his mother to come back from Chicago. If his mother (come)___________ home, he (have)___________ a lot of present

4. All the aqustic animals (die) _________ if people (not stop) _____________dumping sewage into the take

5. If the sun (shine)__________, we (walk) ______________ to the mountain

6. If you ( not read) ___________. these articles, you (not know) ______________the facts about water pollution

7. You brother ( have) __________ Hearing problems if he (listen)_________to too loud music

2. Combine each pair os sentences to form a conditional sentence Type 1, using "if" (Kết hợp mỗi cặp câu để tạo thành câu có điều kiện Loại 1, sử dụng "if")

1. The land is polluted. The farmers are unable to grow crops.

=> If

2. there is visual pollution. People build too many telephone poles and overhead power lines.

=>

3. People use contaminated water for cooking. Their health is badly affected.

=>

4. We place dustbins in mane places. People don't throw rubbish everewhere

=>

5. the industrial waste in well-treated. The Factory installs a new filtration system.

=>

3. Give the correct form of the words given to complete the sentences. (Cho dạng đúng của các từ đã cho để hoàn thành các câu.)

1. The......................of lakes, rivers, oceans or underwater causes water pollution CONTAMINATE

2. The street doesn't look..........................because if has a lot of rubish ATTRACT

3. The music club made so much noise that the....................complainted to its owner RESIDE

4. Are all types of pollution........................to the health of humans and animals? HARM

5. The......................are concerned about the oil spills in Ease Sea ENVIRONMENT

6. Dumping......................waste into the lakes and rivers has cause seious water pollutoon. INDUSTRY

7. Many people in this area have cholere because they drink.....................water TREAT

8. Examples of primany..........................are exhaust fumes from cars, soot from smoke POLLUTE

and ash form vocanic aruption

9. If we use water......................, more people will have fresh water CARE

10.the pollted water results in the...........................of many aqutic animals plants DIE

II. CONDTIONAL SENTENCES TYPE 2: ( Type 2: If + S + V_{past simple}, S + would/could + V_infinitive)

1 Put the verbs brackets into the correct form to complete the sentences. (Đặt các động từ ngoặc vào dạng chính xác để hoàn thành các câu.)

1. If there (be) _________more trees in this area, the air (be)____________fresher.

2. Global warming (not happen)_____________if there (be not)____________too much carbon dioxide in the atmosphere

3. Of people (stop)_____________digging the street, there (not be)_________noise pollution in this area

4. People use a lot of cars and motorcycles. If people (Reduce)___________the use of motor vehicles, there (be)___________less serious air pollution

5. If I(be)_____________ the president , I (remove)_____________all the factor out of the city.

6. they( be)__________healif they(axercise)_______more

7. lisa(find)______the milk if she (look)__________for it in the fridge.

8. If I (be)__________you, I (look)__________for a new place to live.

9. If he (work)________more slowly, he__________(not make)so manu mistakes.

10. If I(be)______________ you, I would look for a new place to live.

XÁC ĐỊNH KIM LOẠI, CÔNG THỨC HÓA HỌC

BÀI 1: Cho 13,7g kim loại (hóa trị II) tác dụng với Clo dư thu được 20,8g muối. Xác định tên kim loại đó

BÀI 2: Cho 4,6g 1 (kim loại hóa trị I) tác dụng hết với nước, sau phản ứng thu được 2,24l khí Hiđrô ở ĐKTC. Xác định tên kim loại

I; Circle A, B, C or D to complete the sentences:(Khoanh tròn A, B, C hoặc D để hoàn thành các câu:)

1: You.....................miss any of the mees tings. they are alwas very useful

A. need B. should C. shouldn't D. can

2:People burn incense to show respect to their....................deigh Tet

A. ancestors B. relatives C. friends D. deighbors

3: Tom gets bad marks.................he doesn't study hard

A. although B. so C. if D. because

4: The Le Mat festival..................the founding of the village

A. worships B. commemorates C. perform D preserves

II; Give the correct form of the verbe in the brackets(Cho dạng đúng của động từ trong ngoặc)

1: You shoula (respect)........................... the old people

2: The Giong festival (hold)...................every year in Soc Son, Ha Noi

3: Marry enjoys (join)........................rice-cooking festival in Bac Ninh

4:Hoa is bad at Math she has to (give)...................more time for it

III; Rearrange the words/phrases giver to make complete sentence(Sắp xếp lại các từ / cụm từ cho để tạo thành câu hoàn chỉnh)

1:money on books./I like/ There fore,/reading,/I spenda lot of

=>

2: Viennamese ,you/ If/ you are/ should/know the story/of chung cake/ and day cake

=>

3: Shouldn't worry/ you/ so much, because/all right./ will be/ every thing

=>

4:have to/ You/ wash vegetables/ before cooking/ care fully

=>

5: like Tet/ We/ because it is/ a long holiday,/ Moreover,/ we can also receive/ lucky money

=>

IV; Rewrite the sentences, using the words given(viết lại các câu, sử dụng các từ đã cho)

1.Nam and Tom arrived late. They missed the most important part of the fastival(so)

=>

2. Saint Giong was three years old. He Was unable to talk,smile or walk(although)

=>

3. Most Vietnamese return home for Tet. Tet is the most important festival in Viet Nam(there fore)

=>

4. It takes Ba two hoursper day to do his hom work (spendes)

=>

5. Playing sports after school is very good for your health (should)

=>

6. They arrived late. They missed the most important part of the festival ( because)

=>

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