脊髓损伤患者床上翻身作用不包括（）.
A、避免出现压疮
B、利于排痰
C、防止并发症出现
D、减少疼痛
E、防止肺部感染
参考答案：D
据丽水市统计局公报：2006年我市生产总值约35300000000元，那么用科学记数法表示为 [ ]
A.3.53×1011元
B.3.53×1010元
C.3.53×109元
D.35.3×108元
-It’s time that I ____ on night duty. I must be off now.
-I’d rather you ____ at home on such a family reunion night. [ ]
A. am, stay
B. was, stayed
C. will be, to stay
D. be, will stay
