All the younger monkey (40) learned to wash the dirty sweet potatoes to make them (41) to eat. But many older monkey found it very hard to learn this and still ate the   (42) sweet potatoes.

　　Then something very surprising (43). In the autumn of 1958, scientists found that the monkey on other nearby (44) began washing their sweet potatoes too. Scientists still don’t fully understand how this knowledge was (45) from one island to another.

　　36.  A. sweet potatoes     B. green plants

　　C. hard stones          D. fresh nuts

　　37.  A. beautiful                B. terrible

　　C. difficult                  D. interesting

　　38.  A. find                        B. reach

　　C. solve                     D. understand

　　39.  A. children                 B. brothers

　　C. sisters                   D. friends

　　40.  A. quietly                   B. easily

　　C. angrily                   D. awfully

　　41.  A. nicer                      B. smaller

　　C. lighter                    D. drier

　　42.  A. small                      B. large

　　C. new                        D. dirty

　　43.  A. took on                    B. took off

　　C. took place               D. took away

　　44.  A. trees                        B. islands

　　C. beaches                  D. rivers

　　45.  A. lost                          B. dropped

　　C. passed                     D. Left

　　文章大意：獼猴學(xué)會(huì)洗甜薯并得以流傳的現(xiàn)象。

　　36. 【解析】通過(guò)觀(guān)察選項(xiàng)，本空要填一個(gè)名詞，而該名詞在本文中首次出現(xiàn)。根據(jù)完形填空的考查內(nèi)容為上下文銜接，所以，本題答案必然在后文有所提及。通過(guò)“第一步通覽全文”我們可以發(fā)現(xiàn)，在第二段第一句里有提到“by washing the sweet potatoes in a nearby river”，這樣，我們可以得出本題答案為A。

　　【答案】A

　　37. 【解析】本題考查的是搭配，說(shuō)甘薯的味道好，猴子們喜歡，但是他們發(fā)現(xiàn)dirt的味道不好。從but我們知道，本空所在的“they found the dirt 37 .”要表達(dá)與前半句的意思不同，而描寫(xiě)味道的形容詞就只能是terrible了。因此，本題答案為B。

　　【答案】B

　　38.【解析】本題考查了搭配，“解決問(wèn)題”的表達(dá)為“solve the problem”。所以本題答案為C。

　　【答案】C

　　39.【解析】本題的關(guān)鍵在于看出后半句they的指代對(duì)象。由于后半句“and they taught their mothers too”由此可知，這個(gè)“they”并非she的孩子或兄弟姐妹。所以本題答案為D。

　　【答案】D

　　40.【解析】本題的關(guān)鍵在下一句，“But many older monkey found it very hard to learn this”，這是一個(gè)轉(zhuǎn)折，所以前面應(yīng)該容易，所以本題答案為easily，答案為B。

　　【答案】B

　　41.【解析】本題可以說(shuō)考查常識(shí)，一個(gè)甘薯經(jīng)過(guò)清洗之后會(huì)變得更加干凈，而不會(huì)變小、變輕、變干。所以本題答案為A。

　　【答案】A

　　42.【解析】年老的猴子不會(huì)洗甘薯，所以它們?nèi)匀怀耘K的甘薯。所以本題答案為D。

　　【答案】D

　　43.【解析】本題考查短語(yǔ)的意思與文章的連貫，take on是“承擔(dān)”的意思，take off是“脫下”或“起飛”，take place是“發(fā)生”，take away是“帶走”。所以本題答案為C。

　　【答案】C

　　44.【解析】本空的答案也隱藏在文章最后一句話(huà)“…from island to island”。由此可知，本題答案為B。

　　【答案】B

　　45.【解析】本題考查詞的意思與文章的搭配。Lost是“喪失”，drop是“掉落”，pass是“傳遞，傳播”，leave是“離開(kāi)”或“遺留”，所以本題答案為C。

　　【答案】C

　　例2

　　It was the last day of school and I planned to travel to my friend’s hometown. I hadn’t seen him for years and this was a good (36) to meet him again.

　　I was busy at school so it was rather (37) when I came back home. It was already 10 o’clock at night. Time was running out. After a hurried meal I left. (38) I found a taxi very soon. Asking the driver to drive me fast to the station, I relaxed for a while, imagining what my friend looked like now. I was soon at the station and was sure that I would be able to (39) the train. Unfortunately, I fell on the way and lost some time. To my complete (40) , when I reached the platform, I saw that the train had just left! It was the last train so I had to (41) home.

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