Researchers used technologies such as MRI to study _____ and _____ of human brain for boys and girls at different stages.
A. the structure; function
B. the composition; role
C. the structure; size
D. the chemistry; volume
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Choose the most appropriate answer by completing the sentences below or answering the questions.1. Boys and girls are different in developmental process. Which of the following statement is true?
A. The psychological development of boys is faster than that of girls.
B. The brain development of girls is faster than that of boys.
C. The physical development of girls is faster than that of boys.
D. The mental development of boys is faster than that of girls.
Which of the following statements is NOT true about e-cigarettes?
A. E-cigarettes work by heating up liquid nicotine.
B. The liquid nicotine in e-cigarettes is not addictive.
C. World Health Organization recommends a ban on the use of e-cigarettes.
D. E-cigarettes are not allowed to sell to people under 18 years old.
Why does the government take measures to ban smoking?
A. People who do not smoke may suffer secondhand smoking.
B. Smoking harms the ones you love.
C. More young people are addicted to smoking.
D. People do not know much about the bad effect of smoking.
Where do they often exercise?
A. In the school playground.
B. In the gymnasium.
C. Go to the local sport center.
D. In a fitness club with personal training services
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