底面为平行四边形的四棱柱与平行六面体这两个概念的外延之间具有()关系。
A.交叉
B.从属
C.矛盾
D.同一
参考答案:D
解析:底面为平行四边形的四棱柱是平行六面体,故选D。
垂柳征最常见于()
A.肺炎
B.慢性纤维空洞型肺结核
C.肺癌
D.肺脓肿
E.结节病
短文填空。
Jane usually gets up at six thirty in the morning. She takes the shower at twenty to seven. Then she 小题1:breakfast at seven and after that she goes to school. She has lunch at twelve o’clock . She likes rice and vegetables 小题2:lunch. She thinks they are healthy. She usually 小题3:volleyball with her friends after school. She likes swimming and she wants to 小题4: the sports club. Her best friend Lisa is 小题5:the swimming club. She 小题6: well. She always 小题7: Jane with swimming. They go home at 小题8: six o’clock in the evening.