【简答题】________疾病是小儿科________的疾病,尤其是________、________、________发病率最高。一般年龄________,病情越重,________越多。
【简答题】Americans think that travel is good for you, some even think it can help one of the country's worst problems-crime (犯罪). Crime worries a lot of people. Every year, the number of crimes goes up and up....
【简答题】颈动脉鞘内的结构有___________、___________、___________和___________。
【简答题】颈动脉鞘内的结构有颈内静脉、颈总动脉、()和()。
【单选题】Most Americans think that solid growth in 1990s can be attributed to the fact that _____.
A.
American industries have optimized structure to meet new demands
B.
US businesses have improved productivity
C.
US businesses enjoy better management than their overseas rivals