Câu 1: Cho 1 vài ví dụ về hoạt động lặp đi lặp lại trong cuộc sống?
Câu 2: Các câu lệnh lặp đúng hay sai? Nếu sai sửa lại cho đúng?
a) For i:=10 to 1 do write('a');
b) For i:=1 to 10 do write('a');
c) For i:=1 to 10 do write('a'); write('b');
Bài 3: For i:=1 to n do readln(a); lặp mấy lần?
Bài 4: Cho đoạn chương trình sau: S:=0; For i:= 1 to 5 do S:=S+i;
Hỏi sau khi kết thúc chương trình thì S bằng bao nhiêu?
Bài 5: Viết chương trình tính tổng của 10 số tự nhiên đầu tiên.
Làm nhanh nhanh giúp em nha mấy anh mấy chị. Cảm ơn trước nha. :))
Câu 1:
-Đánh răng rửa mặt mỗi ngày
-Đi học
-Đi ngủ
Câu 2:
a) Sai
Sửa lại: for i:=10 downto 1 do write('a');
b) Đúng
c) Đúng
Câu 3:
Lặp n-1+1=n(lần)
Câu 4:
S=15
Câu 5:
uses crt;
var s,i:integer;
begin
clrscr;
s:=0;
for i:=1 to 10 do
s:=s+i;
writeln('Tong cua 10 so tu nhien dau tien la: ',s);
readln;
end.
Tìm và sửa lỗi sai trong các câu dưới đây
1. I’m late to this meeting, am not I?
Các câu lệnh lặp sau đây đúng hay sai? Sửa lại cho đúng?
a/ For i:= 10 to 1 do write ('a');
b/ For i:= 1 to 10 do write ('a');
c/ For i:= 1 to 10 do write ('a');write ('b');
a) sai:
sửa: for i:=1 to 10 do write('a');
b) Đúng
c) Đúng
a) Sai
Sửa lại: for i:=10 downto 1 do write('a');
b) Đúng
c) Đúng
BÀI 14: Gạch chân lỗi sai trong các câu dưới đây và sửa lại cho đúng.
1. There are cattles in the fields.
_______________________________________________________________
2. I haven’t heard some news about the accidents.
_______________________________________________________________
3. The Philippines are a country in Southeast Asia.
_______________________________________________________________
4. Can you lend me your scissor?
_______________________________________________________________
5. Two young ladys have just walked out of the retaurant.
_______________________________________________________________
6. My sister bought me a new pair of trouser.
_______________________________________________________________
7. Many people never show some anger.
_______________________________________________________________
8. How much any milk will you have for breakfast?
_______________________________________________________________
9. I want to buy some new clothe.
_______________________________________________________________
10. How many money did you borrow from your brother?
_______________________________________________________________
1. cattles -> cattle
2. some -> any
3. are -> is
4. scissor -> scissors
5. ladys -> ladies
6. trouser -> trousers
7. some -> any
8. much -> Ф
9. clothe -> clothes
10. many -> much
1. cattles - cattle
2. some - any
3. are - is
4. scissor - scissors
5. ladys - ladies
6. trouser - trousers
7. some - any
8. much - Ф
9. clothe - clothes
10. many - much
Mỗi câu sau đây có MỘT lỗi sai, hãy tìm và sửa lỗi sai đó
1. I always go to work by my old car. __________________
2. Jane wants to rich when she grows up __________________
3. I’d like to go some sightseeing when I stay in London. __________________
4. Jessica is my first nephew because she is my sister’s first daughter. __________________
5.Would you like anything special for your next birthday? __________________
6. How many fruit do you need for your party tonight? __________________
7. We always celebrate New Year with my relatives at New Year’s Eve. __________________
8. A relative of Mary is going to visit her this summer vacation. __________________
1 by => in
2 rich => be rich
3 sightseeing => sightseeings
4 nephew => niece
5 anything => something
6 many => much
7 at => on
8 Mary => Mary's
1) we have lived here for=>since last month
2) I used to living=>live on a farm
1) we have lived here for=.since last month
2) I used to living=>lived on a farm
Mỗi câu sau đây có MỘT lỗi sai, em hãy tìm và sửa lỗi sai đó
1. How much times do you spend knitting this sweater? ____________________________
2. Seeing this film alone at home is scared to me ____________________________
3. He is tasting the food hungry because he is hungry. ____________________________
4. Mary takes at least 30 minutes a day watering the plant. ____________________________
5. My sister isn’t enjoy going sailing when the summer comes. ____________________________
6. She is saying something very soft, so I can’t hear it. ____________________________
7. She can speak both the English and Greek. ____________________________
8. It is safe for you to wearing a helmet when you drive. ____________________________
9. I am in London for study English. ____________________________
10. He says us that he is the tallest boy in his class. ____________________________
1 times => time
2 scared => scaring
3 hungry => hungrily
4 watering => to water
5 isn't => doensn't
6 soft => softly
7 the => bỏ
8 wearing =wear
9 for => to
10 says => tells
Mỗi câu sau đây có MỘT lỗi sai, em hãy tìm và sửa lỗi sai đó
100. I find the film so scared, so you shouldn’t watch it. …………………………
101. One of my friends have two sandwiches and an apple for lunch. …………………………
102. John doesn’t like video games, and his sister likes them very much. …………………………
103. Looking after these kids make me feel excited. …………………………
1 scared => scaring
2 have => has
3 and => but
4 make => makes
1. scared => scaring
2. have => has
3 .and => but
4. make => makes
cho mình 1 like nha ! >_<
Tìm lỗi sai trong các câu sau và sửa lại cho đúng
I go from Quynh Hai primary school.
