【題目】In some western countries, March 14 is celebrated as Pi Day, 【1】 day to honor the number that many people are familiar with. The date comes from the first three number of Pi: March is the third month, 【2】 (follow) by the one and four that make 14. Pi 【3】 (appear) wherever there are circles. Pi is a ratio. It measures the 【4】 (distant) around a circle to its diameter(直徑).

A website, Piday.org, shows little known facts about the number. Pi has been 【5】 (universal) known for thousands of years and gets its name from a Greek letter,. The 【6】 (Greek) are believed to have used the letter to describe the ratio. The first Pi Day 【7】 (celebrate) on March 14, 1988 in San Francisco’s Exploratorium Science Museum, 【8】 which the museum becomes well-known, according to the site. The museum marks the day with a daylong celebration 【9】 (include) a parade.

March 14 has other scientific links. It is the birthday of physicist and Nobel Prize winner Albert Einstein. Princeton University, 【10】 Einstein lived for many years, celebrates Pi Day as well.

【答案】

【1】a

【2】followed

【3】appears

【4】distance

【5】universally

【6】Greeks

【7】was celebrated

【8】for

【9】including

【10】where

【解析】在一些西方國(guó)家3月14日是圓周率日，文章講述了其由來和慶�；顒�(dòng)。

【1】a

考查冠詞。此處指March 14這一天，表示“一天”，故填a。

【2】followed

考查過去分詞。March是第三個(gè)月，后面跟隨著1和4。根據(jù)by the one and four可知，是過去分詞表被動(dòng)，故填followed。

【3】appears

考查動(dòng)詞時(shí)態(tài)。全文用的是一般現(xiàn)在時(shí)，此處主語是第三人稱單數(shù)，動(dòng)詞與之一致，故填appears。

【4】distance

考查名詞。此處有the限定用名詞，指衡量一個(gè)圓的直徑的距離。表示距離，故填名詞distance。

【5】universally

考查副詞。此處修飾動(dòng)詞known用副詞，指普遍知道，故填universally。

【6】Greeks

考查名詞。由The限定做主語，和動(dòng)詞are一致，表示希臘人，故填Greeks。

【7】was celebrated

考查時(shí)態(tài)語態(tài)。句中主語The first Pi Day和動(dòng)詞celebrate是被動(dòng)關(guān)系用被動(dòng)語態(tài)，指第一個(gè)π日被慶祝，根據(jù)時(shí)間狀語March 14, 1988可知用過去時(shí)，故填was celebrated。

【8】for

考查介詞。句中包含定語從句，此處表原因用介詞for，become well-known for…“因…變得出名”。介詞提到關(guān)系代詞which前，故填for。

【9】including

考查介詞。此處指博物館用一整天的慶祝來紀(jì)念這一天，包括一個(gè)游行。Celebration與include是主動(dòng)關(guān)系，故用v-ing形式，故填including。

【10】where

考查關(guān)系副詞。句中包含定語從句，先行詞是Princeton University，在定語從句中作狀語，指Einstein在這里生活了多年。表示地點(diǎn)，故填關(guān)系副詞where。

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