... When I (enter) the classroom, everybody (write) the test.
46. I (not, hear) anything he said, because I about something else.(think)
47. I (call) you when I (arrive) in London.
48. Since I last ... 26. I never to Australia. (be)
27. you already your car? (wash)
28. He just back. (come)
29. She not yet doing her homework. (finish)
30. I (love) her since I (see) her ... I (love) her since I (see) her for the first time.
31. A strange thing (happen) while I a letter. (write)
32. John his garden every two days. (water)
33. We each other for ten years. (know)
34....
... did not come/ went
56. By the time we ________ the letter, Tom ________ for Paris.
A. receive/ will have left B. had received/ left
C. have received/ will left D. receives/ leaves
57. By the time ... about buying a new one.
A. have had/ am thinking B. will have/ think
C. had/ will think D. am going to have/ was thinking
25. My best friend and I ________ each other for over fifteen years. We still ... where we ________ before.
A. are going to lie/ are never B. have been lying/ will never be
C. will be lying/ have never been D. are lying/ were never
A. is wanting/ works B. wants/ is working
C....
... thì không chia hết cho 4 ?
2. Dấu hiệu chia hết
Bài 1: Cho n =
*195
thay dấu * bởi số nào để :
a. n chia hết cho 2 b. n chia heát cho 5 c. n chia heát cho 3
d. n chia heát cho 9 e. n chia heát ...
*32
;
1 *6
;
85*
a. chia hết cho 4 b. chia hết cho 8
Bài 3: Dùng cả ba chữ số 6, 0,5 hãy ghép thành chữ số tự nhiên có ba chữ số thỏa
mãn một trong các điều kiện sau :
a. số đó chia hết cho ... 2 b. số đó chia hết cho 5 c. số đó chia hết cho cả 2
và 5.
Bài 4: Dùng ba trong bốn chữ số 8, 6, 1 , 0 viết tất cả các số có ba chữ số sao cho :
a. số đó chia hết cho 9 b. số đó chia hết cho...
... (blow) very strongly tonight.
4 You (see) my car keys anywhere? -
No, I (look) for them but I (not see) them.
5 He never (listen) to what you say. He always (think) about something else.
6 This ... Mr Pitt (have) a long conversation. I (wonder) what they (talk) about.
34 You (believe) all that the newspapers say?-
No, I (not believe) any of it. ~
BÀITẬPVỀ CÁC THÌTRONGTIẾNG ANH
Bàitập ... just (leave), so we only had time for a few words.
6 He (watch) TV when the phone rang. Very unwillingly he (turn) down the sound and
(go) to answer it.
7 He was very polite. Whenever his wife...
... cụ
véctơ trong giải toán.
Ví d
ụ 5
: Cho tam giác ABC. Điểm K chia trung tuyến AD theo tỉ số
3
D 1
AK
K
=
Đường thẳng BK chia diện tích tam giác ABC theo tỉ số nào?
Nhậ
n xét: Trong đề ... a
MI⇔ = +
có thể thấy
3
a
BK =
Do đó (1)
2
2
13 13
36 6
a a
IM IM⇔ = ⇒ =
Vậy tập hợp những điểm M là đường tròn tâm I, bán kính
13
6
a
Ví dụ 2: Cho đoạn thẳng AB và số thực k. Tìm tập hợp ... tơ trong chương I+II SGK
hình học 10 theo chương trình cơ bản và nâng cao.
4
Dạy giải bàitậpvề VÉC TƠ trong hình học lớp 10 nhằm rèn luyện kỹ năng giải toán cho học sinh
ebooktoan.com
Trong...
... ………………………………………………………………………………
6. Nothing / happen / day / before / leave / I / give / special room.
………………………………………………………………………………
7.I / not satisfy / holiday / service / receive / your representative.
……………………………………………………………………………… ...
10.Give / ring / when / arrive / and / we / arrange / get-together.
………………………………………………………………………………
Love,
Exercise 18
Dear Mr Wood,
1.I / be / headmaster / Bradham Grammar / you / study / 1 960 -67
……………………………………………………………………………… ... ……………………………………………………………………………….
Love,
Exercise 3
Dear Sir,
I / very surprised / letter / receive / you / this morning.
…………………………………………………………………………….
In it / say / I...
... room is very lovely.
What a lovely living room!
1. The movie is very interesting.
2. This bed is very comfortable.
3. That car is very fast.
4. The dress is very beautiful.
5. The test is very ... also very popular,
and you can watch something practically everyday.
VIII. Em hãy một câu đúng trong 3 câu đã cho.
Ví dụ: a. What should we do this evening?
b. What we should do this evening?
... difficult.
6. The weather is very awful.
7. The cake is very delicious.
8. The picture is vey expensive.
9. The yard is very large.
8
UNIT 1: BACK TO SCHOOL
I. Em hãy cho dạng đúng của động từ trong...
... 1)(6p - 1)
M
6
+Nếu n = 6p + 1 thì n
3
- n = 6p(6p + 1)(6p + 2)
M
6.
+ NÕu n = 6p + 2 thì n
3
- n = 6( 3p + 1)(2p + 1)(6p + 1)
M
6.
+ NÕu n = 6p + 3 thì n
3
- n = 6( 36p
3
+ 54p
2
+ 26p ...
M
6 với n N
* Cách 2: Nếu n N thì chỉ có thể biểu diễn thành một trong các dạng
sau: 6p, 6p + 1, 6p + 2, 6p + 3, 6p + 4, 6p + 5 (do phÐp chia mét sè cho 6)
+ NÕu n = 6p thì n
3
- n = 6p(6p ... (2n+5) = 6n+ 9 = 6n + 6 +ổ ủ ố đ à
3
Suy ra a chia h t cho 3 (vì 3 s h ng c a a u chia h t cho 3).ế ố ạ ủ đề ế
M t khác: 6n ặ
M
6 v 6 à
M
6
nh ng 3 không chia h t cho 6 ế
Do ó a không chia h...
... have established B-establishing C-to establish D-established
36- I have never played badminton before.This is the first time I…… to play.
A-try B-tried C-have tried D-am trying
37-Since……,I have ... often…….many accidents.
A-caused B-had caused C-causes D-has cause
60 -The Olympic Games…….every four years.
A-take place B-takes place C-took place D-is taking place
61 -What time… the banks close ... D-would tell
65 -I…… here at the end of the month.
A-will leave B-would leave C-would have left D-is leaving
66 -My grandfather………many years ago.
A-had died B-has died C-died D-was dying
67 -I………… my...
... . . in this school?
34. Dick ( start ) . . . . . . . . . . . school before he ( be ) . . . . . . . . . . . seven
35. He’ll leave as soon as he ( hear ) . . . . . . . . . . . the news
36. It ( ... the trees in the garden
24. Mr Pike ( live ) . . . . . . . . . . . here since last October
25. John ( watch ) . . . . . . . . . . . TV at 8 last evening
26. Some animals ( not eat ) . . . . . . ... . . . . .
86. The student who answered the question ( be ) . . . . . . . . . . . John.
87. This is the house that Jack ( build ) . . . . . . . . . . . 3 years ago.
88. Mary ( have ) . . . ....
... & C are correct.
9. This is the first time I have lived in such a friendly neighborhood.
A. I have lived in such a friendly neighborhood before.
B. I haven’t lived in such a friendly neighborhood ... visited me five years ago.
A. They haven’t visited me for a long time.
B. I haven’t been visited for a long time.
C. They haven’t visited me for five years.
D. They have known me for five years. ... They haven’t seen their parents for five years.
A. It’s five years since they last saw their parents.
B. Their parents have seen them for five years.
C. They last saw their parents five years...
... 42-A
43-C 44-D 45-A 46- D 47-A 48-A 49-D
50-D 51-A 52-B 53-D 54-B 55-A 56- D
57-B 58-D 59-C 60 -B 61 -A 62 -C 63 -C
64 -B 65 -A 66 -C 67 -A 68 -B 69 -C 70-B
71-D 72-D 73-D 74-D 75-C 76- A 77-A
78-B 79-A 80-D
... last week.…………
A-gave B-given C-have given D-was given
68 -Yesterday I passed by Peter’s house, but the front door was closed.He out.…
A-went B-must have gone C-has gone D-had had
69 -I the dishwasher ... often .many accidents.……
A-caused B-had caused C-causes D-has cause
60 -The Olympic Games .every four years.……
A-take place B-takes place C-took place D-is taking place
61 -What time the banks close...