肉的解冻僵直收缩
参考答案：肉在解冻僵直发生以后，肌纤维的收缩激烈，肉变得更硬，并有很多的肉汁液渗出的现象。
阅读短文，看表格，完成下列各题。
There are forty-eight students in my class. Some students go to school on foot. Some students go to
school by bike. Some students go to school by bus. Some students go to school by subway. Some students
go to school with other ways.
1. There are _____________ (填数字) students in my class.
2. _____________ (填数字) students go to school by subway.
3. Sixteen students go to school _________________.
4. Eight students go to school _____________ bike.
5. Eight students go to school by _____________.
关于术后早期活动的作用，下列哪项是错误的
A．增加肺活量
B．减少肺部并发症
C．改善全身血液循环
D．增加腹胀和尿潴留的发生
E．避免下肢静脉血栓形成
