【正文】 考查情態(tài)動詞詞義辨析。根據(jù)“It...be Jane. But she seldom sings English songs.”可知，此處表示不確定的推測，且是肯定句，故選C。考查情態(tài)動詞辨析。36．C解析：C【詳解】句意：我們青少年應(yīng)該有夢想。may可能；must一定；can’t不可能；musn’t禁止?！?，你真貼心。31．B解析：B【詳解】句意：——那位年輕女士的工作是什么？——她可能是個護(hù)士，我不確定。shouldn’t不應(yīng)該；can’t不能；mustn’t不允許；needn’t不必。你肯定很擅長數(shù)學(xué)。考查情態(tài)動詞表推測，can能，會；must必須；need需要；may可能。故選D。must必須；should應(yīng)該；would將；may可能。22．C解析：C【詳解】句意：根據(jù)規(guī)定，使用過的電池應(yīng)丟棄在紅色的有害廢物箱中。根據(jù)but轉(zhuǎn)折可知有規(guī)律的鍛煉才對身體有幫助，故用must表示一定，必須。19．B解析：B【詳解】句意：——你媽媽這周六將在家嗎？——很難說。考查情態(tài)動詞。t make so much noise”可知，別人發(fā)出了太多噪音，所以他“不能夠”聽見演講者的話，需用情態(tài)動詞can’t?？疾榍閼B(tài)動詞。14．A解析：A【詳解】句意：很多在線資源既可以供學(xué)校的老師使用，也可以供家長在家使用。mustn’t禁止；can’t不能；needn’t不需要；shouldn’t不應(yīng)該。11．B解析：B【詳解】句意：——今天我必須去上學(xué)，是嗎？——不，你不必。 考查情態(tài)動詞。may可能；can可以；have to必須；need需要；根據(jù)“must we wait until the light bees green”及“That’s the traffic rule”可知，每個人都必須要遵守交通規(guī)則，應(yīng)用have to，故選C。6．D解析：D【詳解】句意：我們的化學(xué)老師總是告訴我們考試前怎樣用功都不為過。根據(jù)“She always es back home at this time.”可知，此處表示非常肯定的推測，故選C?！唬悴荒苓@樣，你沒有看到是紅燈嗎？考查情態(tài)動詞。故選D。 for D．No, we needn’t。t D．mustn39。 or11．—I must go to school today, ________?—No, you can go as soon as you get well.A．mustn’t I。 be against B．be paid attention。 and B．working。t make so much noise. I ________ hear the speaker very well.A．needn39。ve discussed every detail of this plan and have got everything ready. But still something ________ go wrong. We still have to be very careful.A．must B．should C．would D．may24．—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．must25．When people are waiting at the zebra crossing, cars and buses ________ wait and let them go first.A．must B．may C．can D．need26．— Will dad arrive home at 6 o’clock to have dinner with us this evening?— I think he will, but he ________ not. Sometimes he works extra hours.A．can B．must C．need D．may27．—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。 has to37．—Do we have to finish this today?—Yes, you ________ . Today is the last day.A．would B．may C．can D．must38．—Who is singing next door? It sounds like a young girl’s voice.—It _________ be Jane. But she seldom sings English songs.A．need B．must C．may D．can39．You ________ require others to do with the problem like you. Everyone has his own way.A．mustn’t B．needn’t C．may not D．