\(\left(x-1\right)^x+2=\left(x-1\right)^x+6\)

\(-1^x+2=-1^x+6\)

\(-1x^x+2+1^x-6=0\)

\(-4\ne0\)vô nghiệm

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Nốt đi , câu cuối rồi

Choose the best option.

1, Oh , my tooth ....

A - is hurting me B - hurts me C - hurts D - all are correct

2, Their new apartment is ...the other side of Ha Noi

A - at B - to C - on D - in

3, Who ....the first typewriter?

A - did invent B - invented C - did he invent D - invents

4, How heavy are you?

A - How much weight do you have? B - How many kilos are you heavy?
C - How much do you weigh? D - What is the heaviness?

5, One way to stop tooth decay is ...... less sugar.

A - you eat B - to eat C - for eating D - you are eating

6,..........in town , mine is the largest

A - Of all schools B - all of the schools C - In all schools D - Of all the schools

7, Sugar adds taste .....the food we eat

A - for B - with C - to D - in

Choose the word which has underlined part pronounced differently from orhers.

1, A - laid B - said C - paid D - plain

2, A - passage B - teenage C - cottage D - village

3, A - ploughed B - weighed C - coughed D - borrowed

4, A - cable B - station C - answer D - latest

5, A - moderate B - chopstick C - pork D - possible

Choose the word which has different stress from the others.

1, A - material B - ocean C - dolphin D - yesterday

2, A - altogether B - decorate C - delicious D - grandmother

3, A - neglect B - appointment C - remember D - hygiene

4, A - sensible B - continue C - example D - contestant

5, A - appear B - explain C - polish D - perform