1. My brother wants to become a........when he grows up (HISTORY)

2. ...........,Mr. Smith missed his flight, so he won't get to Hanoi in time for the meeting. (FORTUNE)

3. All the children say up and.......themselves at the party (BEHAVIOR)

4. There are no tickets available for Mary's ...........(PERFORM)

5. There will be heavy rains in the.........region of the country(NORTH)

1.Hard/to/on/although/very/managed/home/time/it/we/ rained/get//

->.......

2. Worked/she/more/play/ children/if/the/would/to/her/ in/have/with/she/morning/ time.

->.......

3. Work/father/to/where/we/the/used/see/our/to/wish/factory

->......

1. Lam hasn't seen his grandparents since August

-> the last.....

2. " who did you have lunch with yesterday " asked Tom

-> Tom asked.....

3. I couldn't afford to buy the shirt because it was very expensive

-> I shirt was so.....

4. Why don't we put more dustbins around the school?

-> I suggest....

5. We will go without him if he doesn't come in five minutes?

-> unless.....

Ex1 choose the word whose underlined part is pronounced differently from the others

1. A.believed B.sussested C.prepared. D.involved

2. A.decade. B.pastime C.safety. D.spectator

Có hai điện trở trên đó có ghi:R1(20Ω-1.5A) và (30Ω-2A)

a) Hãy nêu ý nghĩa các con số ghi trên R1 và R2

b) Khi mắc R1 // R2 vào mạch thì hiệu điện thế, cường độ dòng điện của mạch tối đa là bao nhiêu để cả hai điện trở đều không bị hỏng?

Help

Tìm GTLN của P

P=\(\dfrac{-7x+4}{\sqrt{x}}\)(x>0,x≠4)

Tìm GTLN của P

P=\(\dfrac{-\sqrt{x}}{\sqrt{x}-1}\)