Question

【題目】

Have you ever owned a pet goldfish? If you have watched your goldfish for any length of time, you know that they get plenty of __________. They are always swimming around. Fish surely need some rest from time to time, don’t they?

In fact, they do! If you watch fish __________ enough, you’ll notice that they do take breaks. Fish sometimes stay in the same position in the water. It seems like they’re not in a trance (昏睡狀態(tài)). But their eyes are open. So, are they sleeping?

The answer is “yes!” Fish __________ sleep at any time during the day or night. They sleep with their eyes open, __________ they don’t have eyelids (眼瞼).

However, fish sleep is not exactly like human sleep. Most fish keep moving __________ when they’re sleeping. In this way, they can keep a proper oxygen (氧氣) level in their bodies. Larger fish will swim at a slower speed when sleeping, while smaller fish might only be able to move their fins (鰭) at times.

【1】A.restB.exerciseC.sleepD.break

【2】A.longB.shortC.soonD.late

【3】A.mustB.shallC.shouldD.can

【4】A.soB.butC.becauseD.if

【5】A.evenB.justC.everD.only

Answer 1

【答案】

【1】B

【2】A

【3】D

【4】C

【5】A

【解析】

本文是一篇說明文。金魚整天在水里游來游去，難道它們不睡覺嗎？事實(shí)上，魚可以在白天或晚上的任何時(shí)候睡覺。他們睜著眼睛睡覺，因?yàn)樗鼈儧]有眼瞼。魚類的睡眠也并不完全像人類的睡眠。大多數(shù)魚即使在睡覺的時(shí)候也在不停地游動(dòng)。

【1】句意：如果你觀察金魚有一段時(shí)間了，你就會(huì)知道它們得到了足夠的鍛煉。

考查名詞辨析。A. rest 休息；B. exercise鍛煉；C. sleep 睡眠；D. break間斷，休息。根據(jù)They are always swimming around.（他們總是到處游來游去）可知，金魚得到了足夠的鍛煉，故選B。

【2】句意：如果你觀察魚的時(shí)間足夠長(zhǎng)，你會(huì)發(fā)現(xiàn)它們確實(shí)會(huì)休息。

考查形容詞和副詞辨析。A. long形容詞，意為長(zhǎng)的；B. short形容詞，意為短的；C. soon副詞，意為不久，很快，D. late形容詞，晚的，遲到的。根據(jù)句意，只有觀察的時(shí)間足夠長(zhǎng)。才能發(fā)現(xiàn)金魚確實(shí)會(huì)休息，long enough（時(shí)間）足夠長(zhǎng)，故選A。

【3】句意：魚可以在白天或晚上的任何時(shí)候睡覺。

考查情態(tài)動(dòng)詞辨析。A. must表示肯定的猜測(cè)，意為一定；B. shall用于一人稱的肯定句表示允諾，強(qiáng)制，命令等語氣；C. should表示應(yīng)該；D. can可以，能夠。根據(jù)句意可知，魚在一天的任何時(shí)候都能夠睡覺，故選D。

【4】句意：他們睜著眼睛睡覺，因?yàn)樗鼈儧]有眼瞼。

考查連詞辨析。A. so（引出評(píng)論或問題）那么；B. but 表轉(zhuǎn)折，但是；C. because表原因，因?yàn)椋?/span>D. if表?xiàng)l件，如果。魚沒有眼瞼是他們睜著眼睡覺的原因，故選C。

【5】句意：大多數(shù)魚甚至在睡覺的時(shí)候也在不停地游動(dòng)。

考查副詞辨析。A. even甚至；連；B. just 只是；恰好；C. ever從來；曾經(jīng)；D. only僅僅；只。根據(jù)However, fish sleep is not exactly like human sleep.可知，魚的睡眠和人類的有所不同，魚即使在睡覺時(shí)也在不停的游動(dòng)，故選A。