【单选题】Street sellers particularly in developing countries, supply large amounts of food【H1】people on low incomes. This sector also employs some 6%~25% of the work force, mainly women, in developing countrie...
【简答题】Direction: Complete the sentence with a proper phrase on P. 42 of your textbook. Make suitable changes if necessary. Good communications normally better understanding.
【单选题】Since last October, Yunnan, Sichuan, Guizhou, and Guangxi have suffered from a desperate need of water, ____ the worst drought in decades or even in a century. [ ]