单选题
Planning is a very important activity in our lives yet really sophisticated. It can give pleasure, even excitement, 【C1】______cause quite severe headaches. The more significant the task【C2】______is, the more careful the planning requires. Getting to school or to work on time is a task requiring【C3】______or no planning, and it is almost a【C4】______. Meanwhile when you luckily to enjoy a month's touring holiday【C5】______, or better【C6】______, getting married, it would a different matter altogether. It' the【C7】______involves a church wedding, with fifty guests, a reception, a honeymoon in Venice, and【C8】______to a new home, this requires even more planning to make【C9】______that it is successful. Planning is our way of trying to ensure success and【C10】______avoiding costly failures we cannot afford. It is【C11】______essential and fundamental to mankind as a【C12】______, to individual nations, to families and single people; the【C13】______may vary, but the【C14】______of importance does not. In essence, a nation planning its resources and【C15】______does not differ from the【C16】______weekly shopping or monthly household budget.【C17】______are designed to ensure an adequate supply of essentials,【C18】______a rate of spending within the limits of【C19】______, and if properly carried out, will【C10】______shortages, wastage and over-expenditure.
单选题
【C1】
【正确答案】
B
【答案解析】解析：本题考查上下文语义。or表示选择，这里前后两个单词excitement和headaches的意思是相反的，只能用or来表示选择。on the end“在……的末尾”；least最少的，最小的，放在文章意思不对；more or less“或多或少”，意思不符。故本题答案为B。