... vào một cái bể không có nước trong 4 giờ 48 phút sẽ
đầy bể. Nếu mở vòi 1 trong 3 giờ và vòi 2 trong 4 giờ thì được
3
4
bể nước. Hỏi mỗi
vòi chảy một mình thì trong bao lâu mới đầy bể ?
Bài ... xe
gặp nhau tại một ga cách Hà Nội 300 km. Tìm vận tốc của mỗi xe, giả thi t rằng
quãng đường sắt Huế - Hà Nội dài 645 km.
Bài 10: Một lớp học có 40 học sinh được sắp xếp ngồi đều nhau trên các ghế ... từ thành phố A để đi đến thành phố B. Hai
thành phố cách nhau 312km. Xe thứ nhất mỗi giờ chạy nhanh hơn xe thứ hai 4km
nên đến sớm hơn xe thứ hai 30 phút. Tính vận tốc của mỗi xe.
Bài 8: Một người...
... second paragraph refers to __________ .
3
Lesson plan of 10 grade – Extensive lesson – Ha Thi Phuong Lan – Co Loa High school
S + HAD + V3/ED S + WOULD/COULD + HAVE + V3/ED
UNIT 11: NATIONAL ... abondaned animals
4
Lesson plan of 10 grade – Extensive lesson – Ha Thi Phuong Lan – Co Loa High school
UNIT 11: NATIONAL PARKS
I. VOCABULARY
A. READING (pages 112-114)
abandoned (adj) bị ruồng bỏ ... the both sides of the river.
Niagara Falls has long been a popular honeymoon destination for newly weds.
43) Which of the following is completely on the US side of the border with Canada?
A....
... Information (2)
………more quickly than a person. Second, computers can work with (3)……………information at the same
time. Third, they can (4)………information for a long time. They don’t forget things ... months before B.for many months
C.since a long time. D.for many months ago
77.The teacher got angry because Jack went out of the class without getting her……………
A.persuasion B.situation C.condition ... B.injuring C.injures D.injured
53.Be patient with……………………work.
A.time –consumption B.time-consuming C.time –consumed D.time –consumable
54.The……………are those who are unable to use part of the body...
... 495
215) Tìm số hạng không chứa ẩn x trong khai triển : (x
2
+
x
3
1
)
10
. Kết quả: 210.
216) Tìm hệ số của x
101
y
99
trong khai triển (2x−3y)
200
. Kết quả:
9 9101
99
200
3.2.
C
217) Chứng minh ... có 3 đỉnh lấy trong P nếu không có 3 điểm nào lấy
trong P thẳng hàng? Kết quả:
3
10
C 120
=
b) Cũng câu hỏi như câu a) nếu trong P có đúng 4 điểm thẳng hàng.
Kết quả:
3 3
10 4
C C 116− =
190) ...
I(1;−a−b 10) ∈Ox ⇒ −a−b 10 = 0 ⇒ a+b = 10.
• Điều kiện đủ : a+b = 10 ⇒ f(x) = (x−1).g(x) = 0 với
g(x) = x
2
−2x+b−1. YCBT ⇔
≠−=
>−=∆
02b)1(g
0b2
g
⇔ b<2
Kết luận :
<
−=+
2b
10ba
80)...
... century, it two or three months to cross North America by covered wagon.
a. took b. had taken c. had taken d.was taking
32. In the past the trip very rough and often dangeruos, but things a great deal ... When Carol last night, I my favorite show on television.
a. was calling/watched b. called/have watched
c. called/was watching d. had called/watched
35.By this time next summer, you your studies.
a.completes ... night at this time, they the same thing. She and he the newspaper.
a. are doing/is cooking/is reading b. were doing/was cooking/was reading
c. was doing/has cooked/is reading d. had done/was cooking/read
38....
... 7 o’clock.
a. Did b. has done c. had done d. would do
6.I about him when suddenly he came in.
a. talk b. talked c. am talking d. was talking
7.Please don’t touch anything before .
a. the police ... had written
12.By next month, I my first novel.
a. will finish b. am going to finish
b. finish d. will have finished
13.I the money from him yet.
a. haven’t received b. don’t receive c. will receive ... questions every day?
a. Have you ever b. Had you ever c. Do you ever d. Are you ever
24. She working on that manuscript for 2 year now.
a. will be b. has been c. had been d.is
25. I there once...
... c. at d. on
21.She comes from …………beacause she is wearing a kimono.
a. Viet Nam b. USA c. Japan d. India
22.This exercise must ………… carefully.
a. am done b. is done c. are done d. be done
Trang ... women.
a. casual b. traditional c. beautiful d. uniform
8. He …………the ao dai in poems, novels and song.
a. have mentioned b. has mentioned c. have mention d. has mentions
9. The meeting started…………2pm.
a. ... ago.
=> Mary ………………………………………………………………………
6. People use this dictionary very often.
=> This dictionary………………………………………………………………………
Trang 4
Danh §« Líp 9A Trêng Trung Häc Cë Së VÜnh B×nh B¾c
23.He...
... was_______________by chemicals
A.contaminate B.contamination C.contaminated D.contaminant
37.She is interested in the_______________of environment
A.conservation B.conserve C.conservative D.conservable
38.Every ... D.eliminate
2.Water pollution is more and more serious due to the tests of nuclear weapons in the seas and oceans
A.circulation B.environment C.elimination D.contamination
3.Man and animals need a constant supply ... D.distant
8.Contamination is threatening the park and many species of animals living in it
A.population B.pollution C.elimination D.distribution
9.There are toxic levels of chemicals in the water
A.poisonous...