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Ex 1. Choose: a little / little / a few / few 1) I have _______ water left. There's enough to share. 2) I have ________ good friends. I'm not lonely. 3) He has _________ education. He can't read or write, and he can hardly count. 4) There are _________ people she really trusts. It's a bit sad. 5) We've got _________ time at the weekend. Would you like to meet? 6) Julie gave us ________ apples from her garden. Shall we share them? 7) She has ________ self-confidence. She has a lot of...
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Ex 1. Choose: a little / little / a few / few

1) I have _______ water left. There's enough to share.

2) I have ________ good friends. I'm not lonely.

3) He has _________ education. He can't read or write, and he can hardly count.

4) There are _________ people she really trusts. It's a bit sad.

5) We've got _________ time at the weekend. Would you like to meet?

6) Julie gave us ________ apples from her garden. Shall we share them?

7) She has ________ self-confidence. She has a lot of trouble talking to new people.

8) There are __________ women politicians in the UK. Many people think there should be more.

9) It's a great pity, but the hospital has _________ medicine. They can't help many people.

10) I've got ________ cakes to give away. Would you like one?

11) There's _________ milk left in the fridge. It should be enough for our coffee.

12) __________ children from this school go on to university, unfortunately.

13) Do you need information on English grammar? I have _______ books on the topic if you would like to borrow them.

14) She's lucky. She has _________ problems.

15) London has _______ sunshine in the winter. That's why so many British people go on holiday to sunny places!

16) There's ___________ spaghetti left in the cupboard. Shall we eat it tonight?

17) There are __________ programmes on television that I want to watch. I prefer to download a film or read a book.

18) He has ________ free time. He hardly ever even manages to call his mother!

19) Unfortunately, I have ___________ problems at the moment.

20) Are you thirsty? There's ________ juice left in this bottle, if you'd like it.

3
25 tháng 3 2024

1) a little  
2) a few  
3) little  
4) few  
5) a little  
6) a few  
7) little  
8) few  
9) little  
10) a few  
11) a little  
12) Few  
13) a few  
14) few  
15) little  
16) little  
17) few  
18) little  
19) a few  
20) a little

25 tháng 3 2024

1) I have ____a little___ water left. There's enough to share.

2) I have ___a few_____ good friends. I'm not lonely.

3) He has _____little____ education. He can't read or write, and he can hardly count.

4) There are _____few____ people she really trusts. It's a bit sad.

5) We've got _____a little____ time at the weekend. Would you like to meet?

6) Julie gave us _____a few___ apples from her garden. Shall we share them?

7) She has ___little_____ self-confidence. She has a lot of trouble talking to new people.

8) There are ____few______ women politicians in the UK. Many people think there should be more.

9) It's a great pity, but the hospital has _______little__ medicine. They can't help many people.

10) I've got ___a few_____ cakes to give away. Would you like one?

xy+2y-8=4x+35

=>xy+2y-4x=43

=>y(x+2)-4x-8=35

=>(x+2)(y-4)=35

=>\(\left(x+2\right)\left(y-4\right)=1\cdot35=35\cdot1=\left(-1\right)\cdot\left(-35\right)=\left(-35\right)\cdot\left(-1\right)=5\cdot7=7\cdot5=\left(-5\right)\cdot\left(-7\right)=\left(-7\right)\cdot\left(-5\right)\)

=>\(\left(x+2;y-4\right)\in\left\{\left(1;35\right);\left(35;1\right);\left(-1;-35\right);\left(-35;-1\right);\left(5;7\right);\left(7;5\right);\left(-5;-7\right);\left(-7;-5\right)\right\}\)

=>\(\left(x;y\right)\in\left\{\left(-1;39\right);\left(33;5\right);\left(-3;-31\right);\left(-37;3\right);\left(3;11\right);\left(5;9\right);\left(-7;-3\right);\left(-9;-1\right)\right\}\)

\(10A=\dfrac{10^{2022}+10}{10^{2022}+1}=1+\dfrac{9}{10^{2022}+1}\)

\(10B=\dfrac{10^{2023}+10}{10^{2023}+1}=1+\dfrac{9}{10^{2023}+1}\)

Ta có: \(10^{2022}+1< 10^{2023}+1\)

=>\(\dfrac{9}{10^{2022}+1}>\dfrac{9}{10^{2023}+1}\)

=>\(1+\dfrac{9}{10^{2022}+1}>1+\dfrac{9}{10^{2023}+1}\)

=>10A>10B

=>A>B

ĐKXĐ: n<>-1/2

Để B là số nguyên thì \(6n-8⋮2n+1\)

=>\(6n+3-11⋮2n+1\)

=>\(-11⋮2n+1\)

=>\(2n+1\in\left\{1;-1;11;-11\right\}\)

=>\(n\in\left\{0;-1;5;-6\right\}\)

25 tháng 3 2024

1. Mandy/not watch/drama/TV/last night/because/she/tired.

→_____Mandy didn't watch TV last night because she was tired ________________________________________

2. be/football match/Friday/exciting/?

→_______Was the football match on Friday exciting?______________________________________

3. Why/not/we/meet/movie theater/6 o'clock

→____Why don't we meet at the movie theater at 6 o'clock?_________________________________________

4. cinema/Miller Street,/opposite/arcade

→___The cinema is on Miller Street, opposite the arcade___________________________________________

ĐKXĐ: n<>7

Để A là số nguyên thì \(4n+1⋮n-7\)

=>\(4n-28+29⋮n-7\)

=>\(29⋮n-7\)

=>\(n-7\in\left\{1;-1;29;-29\right\}\)

=>\(n\in\left\{8;6;36;-22\right\}\)

25 tháng 3 2024

Ta có: \(\text{Trọng lượng = Khối lượng x 10}\) 

và \(\text{Khối lượng = Trọng lượng : 10}\)

25 tháng 3 2024

Cách tính trọng lượng khi biết khối lượng

P=10m�=10�

Cách tính khối lượng khi biết trọng lượng

P=10mm= P/10

25 tháng 3 2024

- Khi sơn tường bằng rulô, giữa rulô với mặt tường xuất hiện lực ma sát.

- Khi phanh xe, bánh xe ngừng quay. Mặt lốp trượt trên đường xuất hiện ma sát làm xe nhanh chóng dừng lại.

- Khi trượt từ trên cầu trượt xuống đất, giữa lưng ta và mặt cầu trược có lực ma sát.

Chúc bạn học tốt ^^

25 tháng 3 2024

+> Ma sát nghỉ giữa bàn chân và mặt đường giúp người đứng vững mà không bị ngã thì suất hiện lực ma sát nghỉ.

+> Khi người chơi trượt trên nền băng thì suất hiện lực ma sát trượt.

+> Khi quả bóng lăn trên sân thì suất hiện lực ma sát lăn.

25 tháng 3 2024

Lực là tác dụng đẩy, kéo của vật này lên vật khác.

25 tháng 3 2024

Lực là sự đẩy và kéo của vật này lên vật khác.

Khi vật A đẩy hoặc kéo vật B ta nói vật A tác dụng lực lên vật B.

Ví dụ:lực của người mẹ đẩy xe nôi, lực của em bé kéo cửa phòng,...

25 tháng 3 2024

  

25 tháng 3 2024

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