孝敬父母，最重要的是对父母[ ]
A、侍俸和赡养
B、敬重和爱戴
C、尽首先义务
D、尽法律义务
答案：B
The girl with two cats ____in the yard when the earthquake happened.[ ]
A. was playing
B. is playing
C. are playing
D. were playing
温度计允许使用的不够完整的表术是（）。
A.送检
B.在受检16个月后刻线、数字仍然清晰
C.在检定有效期内
D.检定合格
