问题
单项选择题
动脉血气分析pH的正常值是（）
A.7.35～7.45
B.6.35～7.45
C.7.4～7.65
D.7.45～7.55
E.6.45～7.45
答案
参考答案：A
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动脉血气分析pH的正常值是（）
A.7.35～7.45
B.6.35～7.45
C.7.4～7.65
D.7.45～7.55
E.6.45～7.45
参考答案：A
| 阅读短文，选出正确的词填空。 | |
her mother 5 supper. Jenny says, " Mum, I'm 6 . " Mum says, " Supper is 7 . Come here, please. First 8 your hands. Your hands are too 9 . " After dinner (饭后), Jenny helps her mother wash the 10 . Her mother says, "Good 11 . Our kitchen is 12 . " |