下列广义积分收敛的是()。
A.
B.
C.
D.
参考答案:D
解析:
由广义积分当p<1时收敛,当p≥1时发散的结论知(D)收敛
I would rather ________the football match last night with my friends. Otherwise,I would
have finished my paperwork by now.[ ]
A.not have watched
B.not watch
C.hadn't watched
D.haven't watched
对于妇幼保健,下列说法正确的是()。
A.生长发育偏离是指儿童在生长发育过程中不受各种不良因素的影响下,体格生长发育出现的偏离正常轨道的现象
B.生长监测是指定期连续地测量儿童的体重、身高、头围等主要指标
C.健康是指身体上完全处于良好的状态
D.发育是指儿童身体各器官和系统的长大和形态的变化,有相应的测量值