【正文】 are different from what they used to be”可知，前半句意為“由于電腦的引進”。根據(jù)“They are Alipay, highspeed trains, shared bikes and online shopping”及常識可知，這是詢問中國的四大新發(fā)明，故選A。29．A解析：A【詳解】句意：——你知道中國的四大新發(fā)明嗎？——是的。28．C解析：C【詳解】句意：關于如何在學習和愛好之間取得平衡，我們應該聽從老師的建議。27．B解析：B【詳解】句意：如果你擅長英語，在找工作的時候就多了一個優(yōu)勢。26．D解析：D【詳解】句意：我認為一些明星應該多注意他們的行為，因為他們所做的對青少年有很大的影響。考查名詞辨析。根據(jù)情境可知，此處指為了保持平衡，必須繼續(xù)前進。24．C解析：C【詳解】句意：生活就像騎自行車。23．A解析：A【詳解】句意：這是一張我們城市的地圖?？疾槊~辨析。21．C解析：C【詳解】句意：——你優(yōu)秀作品的秘密是什么？——只要反復練習?？疾槊~辨析。我認為如果媽媽看見這么狼藉，她會瘋了的。18．D解析：D【詳解】句意：20世紀抗生素的發(fā)現(xiàn)給我們帶來了巨大的變化。考查名詞辨析。根據(jù)空格前形容詞“much”可知填不可數(shù)名詞，idea、method和suggestion是可數(shù)名詞，而information是不可數(shù)名詞。wood樹木；pollution污染；noise噪音；water水；根據(jù)“The government has taken action to protect the environment.”可知，這里說的是污染變少了，故選B。污染比以前少了。magazines雜志；photos照片；phones電話；works作品?？疾槊~辨析。根據(jù)“I can’t afford to let the situation get worse”可知，要采取措施來改變現(xiàn)狀，take steps表示“采取措施”，故選D。——我完全同意。根據(jù)“saving someone from the river”可知，山姆從河里救人，說明他很有勇氣?！堑摹cene場景；silence沉默；service服務；sense判斷力。situation形勢；position立場；condition狀況；location位置。根據(jù)“Sure. I’m in no... that life on Mars would be interesting”可知，此處表示“確信”，be in no doubt表示“毫無疑問，確信”。8．A解析：A【詳解】句意：——你想移居到火星嗎？——當然?？疾槊~辨析。pollution污染；production產(chǎn)品；pronunciation發(fā)音；population人口?？疾槊~辨析。留言的作用是提醒某人某事，而根據(jù)“It says Mr. Lee is ing to visit you tomorrow.”可知“李先生明天來訪”是提醒人的事情，所以桌上放的應是留言。4．D解析：D【詳解】句意：桌上的留言是給你的?？疾槊~?？疾槊~辨析。考查名詞詞義辨析。on teenagers.A．change B．impression C．progress D．influence27．If you’re good at English, you will have one more ________ when searching for jobs.A．method B．a(chǎn)dvantage C．interest D．interview28．We should follow our teachers’________ about how to achieve a balance between our study and hobbies.A．decision B．a(chǎn)ttention C．suggestion D．introduction29．—Do you know the four new great ________of China?—Yes. They are Alipay, highspeed trains, shared bikes and online shopping.A．inventions B．introductions C．a(chǎn)ttractions D．traditions30．With the ________ of the puter, museums today are different from what they used to be.A．invitation B．introduction C．munication D．pronunciation31．—Searching for information is not a big deal today.—Exactly, the ________ is how we can tell whether the information is true or not.A．a(chǎn)dvantage B．message C．challenge D．knowledge32．—Michael, could you tell me the way to Haian Museum?—Sorry. But you can download a map app on your phone that can show you ________ and guide you to where you want to go.A．conversation B．location C．invention D．introduction33．After listening to the ________ to the Flower Sea, we bee more interested in this place.A．influence B．instrument C．introduct