unit 4 第二课时 reading ⅰ.单词拼写根据下列句子所提供的汉语提示或所给单词的首字母，写出各单词正确的完全形式(每空限写一词)。 1．we all heaved a sigh of r________when we heard that they were safe. 2．here i would stress the i________of mathematics to the whole of science. 3．this defeat was a p________blow to the enemy. 4．it is highly necessary to s________against the dangers of the coming typhoon. 5．i really a________a good cup of tea. 6．he needs a high i________to support such a large family. 7．the station is two miles________(遥远的)from the school. 8．the________(重要性)of telling the truth can not be doubted. 答案： 1．relief 当我们听说他们平安无事时，都松了一口气。 2．importance 这里我要强调数学对整个科学的重要性。
