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28 tháng 12 2020

Câu 1: 

uses crt;

var t:real;

i:integer;

begin

clrscr;

t:=0;

for i:=1 to 100 do 

  t:=t+(sqr(i) mod (2*i));

writeln('So tien sau cung la: ',t:0:0);

readln;

end.

Câu 2: 

const fi='dxau.inp';

fo='dxau.out';

var f1,f2:text;

st:string;

x:char;

dem,i,d:integer;

a:array[1..255]of integer;

begin

assign(f1,fi); reset(f1);

assign(f2,fo); rewrite(f2);

readln(f1,st);

readln(f1,x);

d:=length(st);

dem:=0;

for i:=1 to d do 

  if st[i]=x then 

begin

inc(dem);

a[dem]:=i;

end;

if dem=0 then writeln(f2,'Khong co')

else begin

writeln(f2,dem);

for i:=1 to dem do 

  write(f2,a[i]:4);

end;

close(f1);

close(f2);

end.

19 tháng 5 2021

1.needn't

2.impressed

3.the

4.send

5.the

6.who

ko biết đúng ko nữa 

19 tháng 5 2021

Part 1

1 needn't

2 impressed

3 with

4 send

5 the

6 who

Part 2

1f 2d 3c 4b 5a 6g

Part 3

1 was cooking

2 surfing

3 went

4 was going to visit

5 try

6 widened

7 cultural

8 conveniently

Part 4

1 serious -> seriously

2 well-preserved -> be well-preserved

Part 5

1 my english were good

2 going to the english-

3 area has been spoiled 

4 which I read 

Part 6 

1 without

2 be damaged

3 healthy

4 destruction

Part 7

2F 3F 4F

22 tháng 5 2021

Part 1

1 although

2 around

3 where

4 forward

5 and

6 will

Part 2

1 B

2 F

3 E

4 D

6 C

Part 3

1 daily

2 wearing

3 would do

4 haven't eaten

5 is being carried

6 rises

7 inexperient

8 equality

Part4

1 which => who

2 pollute => polluting

Part 5

1 not to touch this switch

2 Tom has met was

3 weren't ill

4 may be built

Part 6

1 students

2 affect

3 media

4 famous

Part 6

1 T

2 T

3 F

4 F

19 tháng 5 2021

Part 1

1 into

2 which

3 happily

4 aspect

5 if

6 compulsory

Part 2

1c 2f 3b 4g 5a 6e

Part 3

1 opened

2 to be finished

3 repairing

4 driving

5 harmful

6 modernize

7 environmentalists

8 effectively

Part 4

1 disappointing -> disappointed

2 come -> came

Part 5

1 succeed although he tried 

2 my father could speak

3 seen such an interesting 

4 being made to protect

Part 6

1 forest

2 climate

3 in

4 fortunatelt

Part 7

1T 2F 3F 4F

22 tháng 5 2021

Part 1

1 On

2 did

3 would

4 therefore

5 who

6 of

Part 2

1 G

2 A

3 F

4 D

5 B

6 C

Part 3

1 are watered

2 will become

3 has read

4 revising

5 communicate

6 announcement

7 interactive

8 conservationist

 

22 tháng 5 2021

Part 4 

1 to travel => travelling

2 that => bỏ

Part 5

1 spoke English as

2 is being used by 

3 he was leaving

4 you can find are 

Part 6

1 walking

2 good

3 experienced

4 burden

20 tháng 5 2021

part 1

1 where

2 which

3 important

4 traditional

5 of

6 even though

part 2

1G 2A 3F 4D 5C 6B

part 3

1 not watching

2 would arrive

3 would pay

4 playing

5 has worked

6 harmed

7 unsuccessful

 8 richly

part 4

1 internation -> international

2 write -> be written

part 5

1 have to be taken

2 spends 2 hours doing

3 unless someone puts

4 which I visited 

part 6

1 natural

2 economically

3 resources

4 before

part 7

1T 2T 3F 4T

20 tháng 5 2021

Part 1

1 friendliness

2 were

3 after

4 written

5 correspond

6 which

Part2

1 - D

2 - C

3 - A

4 - G

5 - E

6 - F

Part 3

1 should do

2 visiting

3 cut

4 made

5 has learnt

6 modernize

7commercial

8 untreated

Part 4

1 will => would

2 carefully => careful

Part 5

1 I would pay a visit to 

2 planted trees along the

3 going to be sent

4 which I borrowed from

Part 6

1 subtances

2 Industrial

3 frequently

4 that

 

20 tháng 5 2021

Part 1

1 friendliness

2 were 

3 after

4 written

5 correspond

6 which

Part 2

1D 2C 3A 4G 5E 6F

Part3

1 have to do

2 visiting

3 cut

4 was making

5 has learnt

6 modernize

7 commercially

8 mistreated

Part 4

1 will -> would

2 carefully -> careful

Part 5

1 to pay a visit

2 planted trees along the

3 going to be sent 

4 that I borrowed from

Part 6

1 substances

2 industrial

3 naturally

4 that 

Part 7

1F 2F 3T 4T

16 tháng 11 2021

Câu 24: C

22 tháng 5 2021

part 1

1 which

2 won't

3 because

4 Good idea

5 on

6 therefore

part 2

1D 2F 3A 4B 5C 6E

part 3

1 studied

2 has worked

3 being interviewed

4 to be taken

5 would visit

6 put

7 endangered

8 compulsorily

part 4

1 are -> is

2 me -> to me

3 work -> working

4 when -> since

part 5 

1 written novels for

2 to read bedtime stories

3 to wearing

4 has been absent from 

5 doesn't have a passport

6 were given to Martha

7 play football that

8 whom my teacher was

part 6

1 mankind

2 polluted

3 of

4 naturally

part 7

1F 2F 3T 4T

10 tháng 7 2021

1A 2B 3A 4B 5B 6B 7B 8A 9A 10D 11C 12D 13D 14C 15C 16D 17D 18A 19B 20C 21B 22D 23A 24B 25B 26B 27A 28D 29B 30B 31C 32C 33B 34A 35A 36A 37B 38B 39A 40C 41D 42C 43A 44B 45C 46D 47B 48B 49C 50A