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m the group below．Write the letter of the choice in the blank． A.Honesty is SO important that we must cultivate itB.Honesty is the best policy for everyone．C.Honesty means speaking the truth and being fair and upright in act．D.Honesty helps people io win trust and respect． 参考答案： B Honesty is the best policy for everyone．----------------------------------------2、Read the following paragraph and underline the topic sentence．Although sleep research has improved our understanding of sleep and insomnia， researchers still do not know j ust why sleep is necessary．Sleep doesn’t seem tO be essenl ial for health since some people can get along with very little sleep．Nor does sleep merely give US back energy that was depleted during the day．Some of the most significant new studies linksleep to our“body clock”，where certain patterns Occur in sequence．Some researchers be lieve that during sleep the brain and nervous system carry out necessary activities．People with insomnia are often anxious or depressed．They，can often cope with their troubled thoughts during the day，but as they try to fall asleep，their bodies relax．Then it becomes impossible to avoid these thoughts．This reinforces their insomnia．The chances are they will need medical help to cure their sleeplessness． 参考答案： Although sleep research has improved our understanding of sleep and insomnia。researchers still do not know j ust why sleep is necessary． Although sleep research has improved our understanding of sleep and insomnia。researchers still do not know j ust why sleep is necessary．----------------------------------------3、Read the following paragraph carefully and select the best topic sentence from the four possible answers that follow the paragraph．Topi
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