1. Eliminating problems by transferring the blame to others is often called scape-goating。

　　用怪罪別人的辦法來解決問題通常被稱為尋找替罪羊。

　　2. The chief foods eaten in any country depend largely on what grows best in its climate and soil。

　　一個的主要食物是什么，大體取決于什么作物在其天氣和土壤條件下生長得最好。

　　3. Over a very large number of trials, the probability of an event’s occurring is equal to the probability that it will not occur。

　　在大量的實驗中，某一事件發(fā)生的幾率等于它不發(fā)生的幾率。

　　4. Most substance contract when they freeze so that the density of a substance's solid is higher than the density of its liquid。

　　大多數(shù)物質(zhì)遇冷收縮，所以他們的密度在固態(tài)時高于液態(tài)。

　　5. The mechanism by which brain cells store memories is not clearly understood。

　　大腦細胞儲存記憶的機理并不為人明白。