【題目】用方框中所給單詞的適當形式填空。每詞限用一次，每空限填一詞。

large three encourage unless safe

【1】You can’t get good grades ______ you work hard.

【2】The children were ______ a lot and they decided to try again.

【3】How time flies! It is Joe’s ______ year to stay together with us.

【4】Dongting Lake is the second ______ fresh water lake in China.

【5】For your ______, you’d better not travel to South Africa in recent time.

【答案】

【1】unless

【2】encouraged

【3】third

【4】largest

【5】safety

【解析】

【1】句意：除非你努力工作，否則你得不到好成績。

根據(jù)句意可知，表示“除非你努力學習”，unless除非，引導條件狀語從句。故填unless。

【2】句意：孩子們受到很大的鼓勵，他們決定再試一次。

本句話中主語為the children，與謂語encourage之間為被動be done，且根據(jù)空前were可知，故填encouraged。

【3】句意：時間過得好快��！這是簡和我們待在一起的第三年。

根據(jù)空前Joe’s以及空后可數(shù)名詞year可知，空處用序數(shù)詞。third第三，故填third。

【4】句意：在中國，洞庭湖是第二大淡水湖。

根據(jù)句意可知，譯為“第二大”，“序數(shù)詞+形容詞的最高級”譯為“第幾……”�？仗幱眯稳菰~的最高級，故填largest。

【5】句意“為了你的安全，最近一段時間你最好不要去南非旅游”。

根據(jù)空前形容詞性物主代詞your可知，空處用名詞。根據(jù)句意可知，譯為“為了你的安全”。safety安全，故填safety。

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