【正文】 esent”可知用as a作為一個(gè)……符合句意。the定冠詞，表示特指或雙方已知事物；as a作為……；like a…像一個(gè)……；a不定冠詞，泛指一個(gè)解析：A【詳解】句意：這件連衣裙真漂亮呀！收到一個(gè)這樣的生日禮物她一定很高興。根據(jù)“smart ”是形容詞，可知，符合how引導(dǎo)的感嘆句。這個(gè)發(fā)明多么聰明??！考查感嘆句的用法。第一空考查定語從句的關(guān)系詞，which的先行詞是物，who的先行詞是人，本句的先行詞是“doctors and nurses”，表示人，所以關(guān)系詞應(yīng)用who；第二空考查感嘆句，感嘆句的結(jié)構(gòu)是“What+(a/an)+形容詞+名詞+主語+謂語！”或“How+形容詞（副詞）+主語+謂語！”，句中主語前的“brave（勇敢的）”是形容詞，由此可知此句是由How引導(dǎo)的感嘆句。他們多勇敢啊！考查定語從句和感嘆句。再次，加詞。weather不可數(shù)名詞，天氣。 前面不用冠詞a/an。11．C【解析】句意：在這樣好的天氣里去遠(yuǎn)足是多么有趣?。∏耙豢湛疾旄袊@句。感嘆句的結(jié)構(gòu)：What+形容詞+復(fù)數(shù)名詞+主語+謂語！How+形容詞/副詞+主語+謂語！What+a+解析：B【詳解】句意：——無人駕駛飛機(jī)證明在很多方面都很有用。結(jié)合句意，故選D。感嘆句：what引導(dǎo)感嘆句時(shí)，what修飾名詞，結(jié)構(gòu)為“What+(adj.)+不可數(shù)名詞/復(fù)數(shù)名詞解析：D【解析】【詳解】句意：在過去的幾年里，我們的國家取得了多么偉大和驚人的進(jìn)步?。】疾楦袊@句。What+a/an+形容詞+單數(shù)可數(shù)名詞+主語+謂語!故排除A項(xiàng)。3）how+形容詞或副詞+主語+后面跟形容詞或副詞?！以偻獠贿^，多不尋常的天氣??！考查感嘆句。排除B,D；這里感嘆名詞disaster，用what感嘆，故選C。在感嘆句中，how感嘆形容詞或副詞，其結(jié)構(gòu)是How+形容詞或副詞+主語+謂語；what感嘆解析：C【詳解】句意：——我們在執(zhí)行任務(wù)時(shí)遇到了多大的災(zāi)難呀！——多虧了志愿者，我們才得以避免。第一個(gè)空考查的是固定短語quite a few，意為“不少，相當(dāng)多”；第二個(gè)空是感嘆句，空后的news是不可數(shù)名詞，因此應(yīng)用“What+形容詞+不可數(shù)名詞”這一句型，不用冠詞。a和an是不定冠詞，修解析：C【詳解】句意：——你知道嗎？星期天，中國不少地方的人們目睹了一年中最奇妙的事件——日環(huán)食。感嘆句主要有：how+形容詞/副詞+主語+謂語+其他！what+a/an（形容詞）+單數(shù)名詞+主語+謂語+其他！或者what+（形容詞）+名詞復(fù)數(shù)/不可數(shù)名詞+主語+謂語+其他！該句中感嘆名詞speed，所以用what引導(dǎo)的感嘆句，speed不可數(shù)名詞；“以……速度”用介詞at，故選D。根據(jù)下文“但是你還是應(yīng)該努力學(xué)習(xí)?！崩蠋煂δ泻⒄f。”老師對男孩說。考查感嘆句和動(dòng)詞辨析。 thinkD．How an。 What a18．You can39。 like the15．____wonderful our school is! There are many good teachers and students in it.A．What B．What a C．How D．How a16．______ beautiful the music they are playing sounds! _____ excellent players!A．How, What an B．How, WhatC．What, what D．What, How an17．—__________ lovely the weather is!—Yes. __________ good time we are having!A．How。 What B．which, What C．which, How D．who, How13．The robot proves to be useful in many ways. ________ smart the invention is!A．What B．What a C．How D．How a14．How beautiful ________ dress is ! She must be happy to get it ________ birthday present.A．the。 an B．the。 is moving B．What high speed。 raising C．What。 rising B．How a。ve made! But you should still work hard, the teacher said to the boy.A．What great progress B．How a big mistakeC．What a big mistake D．How great progress3．Look! ________ the roller coaster________!A．How high speed。 is moving at4．—Do you know that people in quite ________ few places in China witnessed on Sunday the most wonderful event of the year, an annular solar eclipse(金邊日環(huán)食)?—What _____ exciting news! It’s reported the whole eclipse lasted about three and a half hours.A．a(chǎn)。 an5．—________we faced while we were carrying out the task!—Thanks to the volunteers, we could avoid it.A．How big disaster B．How good luckC．What a big disaster D．What good luck6．— Many people say the temperature in Wuxi this spring is just like a roller coaster.— I can’t agree more. __________!A．What a strange weather B．What an unusual weatherC．What unusual weather D．How unusual weather7．________ he has provided for us!A．What a useful advice B．What useful suggestionsC．How useful the advice D．How useful suggestions8．________and amazing progress our country has made in the last few years!A．How a great B．How great C．What a great D．What great9．__________ you offered him!A．How useful advice B．What a useful adviceC．How a useful advice D．What useful advice10．—The selfdriving plane proves to be useful in many ways. —________ smart the invention is!A．What B．How C．What a D．How a11．________ great fun it is to go hiking in __________ weather!A．What, so fine B．How, such a fineC．What, such fine D．How, so fine12．―We should learn from the doctors and nurses ________ help to treat the patients in Hubei. ―Yes. ________ br