题目内容
请根据句意或括号中的中文提示、英文释义，写出句中所缺单词，使句子通顺。
(每小题1分，共5分)
小题1:We have a growing (人口) and therefore we need more food.
小题2:We all know that life is not always (平坦的).
小题3:As soon as I had made the final decision, I felt very (calm and not worried).
小题4:How can you (have enough money to buy something) such a large house?
小题5:I like black and red, but my favourite is blue.
(每小题1分，共5分)
小题1:We have a growing (人口) and therefore we need more food.
小题2:We all know that life is not always (平坦的).
小题3:As soon as I had made the final decision, I felt very (calm and not worried).
小题4:How can you (have enough money to buy something) such a large house?
小题5:I like black and red, but my favourite is blue.
小题1:population
小题2:smooth
小题3:relaxed
小题4:afford
小题5:colour
试题分析：
小题1:句意:我们有一个在不断增长的人口,因此我们需要更多地食物.结合语境及汉语提示,可知填单数名词population,作宾语.
小题2:句意:我们都知道生活不总是平坦的.结合语境及汉语提示,可知填形容词smooth,作表语.
小题3:句意:当我做出最后的决定后,我感到非常的放松.本句中feel是系动词,后面接形容词作表语.根据语义提示,可知填形容词relaxed,放松的,作表语.
小题4:句意:你如何能买得起这么大一所房子.结合前文情态动词can及语义提示,可知填原形动词afford,买得起.
小题5:句意:我喜欢黑色和红色,但是我最喜欢的颜色是蓝色.结合语境可知填单数名词colour,颜色.
点评：解答此类题型首先要根据句子中的关键信息，如：首字母，汉语提示，上下文，句意等。判断出所需单词。然后根据该单词在句子中的句子成分，所起作用，确定单词词形，进行适当词形变化。
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