10. _____ up a tent: dựng lều. *
A. make
B. take
C. put
D. do
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1. Getting up early ………………..me feel tired in the morning.
A. make
B. let
C. makes
2. The teacher ……………….. us express our own ideas.
A. make
B. lets
C. have made
3. The first European coffee house ................. in Venice in 1645.
A. has opened
B. was opened
C. was opening
4. She asked if he ................. engineering at university.
A. studies
B. had studied
C. studying
5. We are going to set out in April……………the source of the Nile River.
A. to explore
B. explore
C. exploration
6. In the autumn, I really like lying down in the boat, ……………nothing, and…………… into the sky.
A. does / looks up
B. doing / looking up
C. to do/ to look up
7. The biggest Bear Straw Festival was the one celebrated ………….1980 in the UK.
A. in
B.by
C. since
8. She crossed the Atlantic …………… a hot-air balloon!
A. into
B. in
C. to
9. Listen! I thought I heard………… stepping in the corridor, but it could be………… there. It’s probably
a cat chasing the mouse!
A. something / everything
B. something / anyone
C. someone / nobody
10. It’s so boring! I have……….to go to, and have………..to do with.
A. somewhere/ something
B. nowhere / nothing
C. anywhere / anything
2.Yes, we should so we don’t get thirsty.
3.Yes, we should so we don’t get cold.
4.Yes, we should so we have something to read.
5.Yes, we should so we don’t get hungry.
6.Yes, we should so we can buy present.
Jan: Should we bring a tent?
(Chúng ta có nên mang theo lều không?)
Tim: (1) Yes,We should so we have somewhere to sleep.
(Vâng, chúng ta nên có chỗ nào đó để ngủ.)
Jan: Should we bring a bottled water?
(Chúng ta có nên mang theo nước đóng chai không?)
Tim: (2) Yes, we should so we don’t get thirsty.
(Vâng, chúng ta nên để chúng ta không khát.)
Jan: Should we bring jackets?
(Chúng ta có nên mang theo áo khoác không?)
Tim: (3) Yes, we should so we don’t get cold.
(Vâng, chúng ta nên để không bị lạnh.)
Jan: Should we bring a comic book?
(Chúng ta có nên mang theo một cuốn truyện tranh không?)
Tim: (4) Yes, we should so we have something to read.
(Vâng, chúng ta nên có một cái gì đó để đọc.)
Jan: Should we bring food?
(Chúng ta có nên mang theo đồ ăn không?)
Tim: (5) Yes, we should so we don’t get hungry.
(Vâng, chúng ta nên để chúng ta không bị đói.)
Jan: Should we bring money?
(Chúng ta có nên mang theo tiền không?)
Tim: (6) Yes, we should so we can buy present.
(Vâng, chúng ta nên mua quà.)
1. trip/we/excited/at/our/feel/about/countryside/the/to/the/weekend.
A. We feel excited to out trip about the countryside at the weekend .
B. We feel excited about the trip to the coutryside at our weekend .
C. We feel excited about our trip to the coutryside at the weekend .
D. We feel excited about the trip at the coutryside to our weekend .
2.a/tent/putting/not/is/building/as/up/hard/as/house/a.
A.Putting up a house is not as hard as building a tent .
B.Putting up a tent is not as hard as building a house.
C.Putting up a tent is as not hard as building a house.
D.Putting a tent is not as hard as building up a house.
3.money/I/thann/happiness/that/more/is/think/important.
A.I think happiness that is more important that money
B.I think that happiness is more important that money
C.I think that happiness more is important that money
D.I think that happiness is important more that money

a) Lều là hình chóp đều có đáy là hình vuông cạnh bằng 2m, chiều cao bằng 2m.
Thể tích không khí trong lều bằng thể tích lều và bằng:

b) Số vải bạt cần thiết đề dựng lều chính là diện tích xung quanh của lều.
Dựng trung đoạn SH.



Cách giải:
Gắn hệ trục tọa độ như hình vẽ.
Gọi phương trình parabol là: y = a x 2 + b x + c

C
C