1.A child who has once been pleased with a tale likes CBABB 2.Standing alone at the Browns' party, Anna Mackintosh thought DBBCA 3. In the primary school, a child is in a comparatively simple setting AADBC 4. The decline in moral standards—which has long concerned DBCAD 5. For an increasing number of students at American universities BACDA The US military has blocked public access to nearly DBCAB During the long vacation I was accepted as a trainee CDCBD My love of nature goes right back to my childhood, to the times CBCDB Urban (城市的) life has always involved a balancing of opportunities ABBAD Real policemen, both in Britain and the United States, CCBCC During the first half of the nineteenth century much thought CACDC At one time a traveler could learn about a region by looking BCBDA Choosing a travel companion is at least as uncertain as choosing ACBDB The term "culture shock" has already begun to creep into the CACAD Silence is unnatural to man. He begins life with a cry and ends it in ACBBC Some pessimistic experts feel that the automobile is bound BCADB Foxes and farmers have never got on well. These small dog-like ACCBC Despite laws designed to keep cigarettes away from kids CDBAD It seems like science fiction, but it's already a reality: milk from ACAAB This was the challenge Kristin Casper faced when she learned that CCDAB One of the chief functions of education is to equip future citizens CBCCB Planetary (行星的) scientists are set to write the opening chapter CBDAC One phase of the business cycle is the expansion phase. DDABB Are organically grown foods the best food choices? The ADABD For me, scientific knowledge is divided into mathematical sciences BDCDB In the 1960s, medical researchers Thomas Holmes and CAADC Most episodes of absent-mindedness—forgetting where you left BDCAB It is hard to track the blue whale (蓝鲸), the ocean's largest BACDA The fitness movement that began in the late 1960s and early 1970s BBCAD Use of the illegal drug named Ecstasy MDMA (摇头丸) has BBADD Could the bad old days of economic decline be about to return AABCA Since the dawn of human ingenuity (独创性), people have devised CBDDA During the long vacation I was accepted as a bus conductor. CADBC 本文来源:https://www.wddqw.com/doc/9b95cd0c804d2b160a4ec014.html