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Chọn đáp án B
Ozone is an unstable, faintly bluish gas that is the most chemical active form of oxygen.
Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
My mother often tells me never to accept a lift from someone I've just met!
Mark the letter A, B, C, or D to indicate the most suitable response to complete each of the following exchanges.
- “What about some soya milk? They are full of protein.” - “_______”
The widespread use of pesticides and herbicides has led to contamination of groundwater in some areas.
Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.
Read the following passage and mark the letter A, B, C, or D to indicate the correct word that best fits each of the numbered blanks.
According to some scientists, high-risk sports can be valuable for certain types of people. Such activities help them learn that being frightened doesn't mean that they have to (23) _______control. The recent fashion for jumping from bridges attached to a length of elastic rope, known as “bungee jumping”, has now been tried by millions of people over the world, and (24) _______in it is continuing to grow.
Before the special elastic rope is tightened around them, jumpers reach speeds of nearly 160 kph. First-timers are usually too (25) _______ to open their mouths, and when they are finally lowered safely to the ground, they walk around with broad smiles on their faces, saying (26) _______how amazing it was. However, for some people, it is only the embarrassment of refusing to jump at the last (27) _______that finally persuades them to conquer the fear of
heights and push them off into space.
Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
It is imperative that they arrive on time for the lecture. They mustn't be late.
When you bought that new computer a couple of years ago, you probably thought its 500-megabyte hard disk would last forever.
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
