【正文】 ____ bee a great scientist, but a great scientist ________ be a hardworking man.A．can’t。 must C．can’t。 can32．— Is the boy over there Tom? He often wears a jacket like that.— It _______ be him. He is absent from school today.A．needn’t B．shouldn’t C．mustn’t D．can’t33．—Must we stop the Japanese government discharging nuclear waste water (排放核污水) into the Pacific Ocean?—________. Because everyone should protect our earth and it is bad ________ us to eat the polluted seafood and drink the waste water.A．Yes, we can。 of C．Yes, we must。 for34．Look at the floor, Tom! ________ you watch TV while having a meal?A．Should B．Could C．Must D．May35．Cars ________ give way to walkers on some roads in Binhai, or the drivers will be fined.A．may B．will C．can D．must36．Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry.A．should B．would C．must D．can37．You’ve got an A in the maths test again. You ________ be good at it.A．can B．may C．must D．should38．—Could you tell me how to renew the library books?—With pleasure. You ________ e to our desk every time. It’s easier to renew them online.A．can’t B．mustn’t C．needn’t D．shouldn’t39．For the safety of the passengers, objects like guns ________ be carried on board.A．may not B．needn’t C．might not D．mustn’t40．—In China, many parents plain that their children have to stay up late to do the homework. —Don’t worry. The government has realized the problem. I’m sure there ________ be good news soon.A．can B．should C．need D．must【參考答案】一、選擇題1．B解析：B【詳解】句意：——這周五郎朗會去藝術中心表演嗎？——是的。他在這里已經三天了。might也許；must必須；mustn’t禁止；may也許。2．A解析：A【詳解】句意：鐘南山院士曾經說過:“要預防這一疾病的傳播，我們多么小心也不為過。can能、能夠；may可以；must必須；should應該。3．D解析：D【詳解】句意：對不起，這里不允許抽煙。考查情態(tài)動詞辨析。根據主句“you will be fined according to the rules.”可知，應是如果你一定要抽的話。4．A解析：A【詳解】句意：——我真的有必要帶著口罩去購物嗎？——恐怕在公共場合你必須如此。考查情態(tài)動詞。根據“It is not only to protect yourself but also to protect others.”可知在公共場合必須戴口罩。5．C解析：C【詳解】句意：——誰在隔壁唱歌？聽起來像是一個年輕女孩的聲音。但是她很少唱英文歌。need需要；must一定；may可能；can能，會；表示推測時，常用于否定句和疑問句中。6．B解析：B【詳解】句意：為了避免聚會，我們最好在網上開家長會。avoid doing sth.“避免做某事”；We’d better+動詞原形，我們最好做某事；gather是動詞，聚集；hold是動詞，舉行，第一空用動名詞，第二空用動詞原形，故選B。 考查情態(tài)動詞。根據“if I…say, it is not suitable for you.”可知，此處表示客觀情況驅使，因此用have to“不得不”。8．B解析：B【詳解】句意：——媽媽，為什么我進超市前要戴口罩？ ——為了你的健康和安全，你再小心也不為過。shouldn’t不應該；can’t不能；mustn’t不允許；needn’t不必。故選B。有夢想和努力，任何驚人的事都能被創(chuàng)造。may可能；can能夠；should應該；might可能；has to不得不；must必須。故選C?！玫摹？疾榍閼B(tài)動詞辨析。根據前句“Be careful!”可推知，應是說火有時候會很危險，故情態(tài)動詞應用can。11．B解析：B【詳解】句意：——這些迎春花多么漂亮?。　堑?，在三月份在我的城市這些金黃色的花可以廣泛地看到。must必須；can能，可以；would將會