低压清水泵叶轮、泵壳等一般选用（）。
A.45号钢
B.普通铸铁
C.不锈钢
D.40Cr
参考答案：B
骶耻外径的正常值是（）
A.19～20cm
B.17～20cm
C.19～21cm
D.18～21cm
E.18～20cm
Hyperthyroidism is caused by increased levels of thyroxine in blood plasma. A client with this endocrine dysfunction would experience（）
A. heat intolerance and systolic hypertension.
B. weight gain and heat intolerance.
C. diastolic hypertension and widened pulse pressure.
D. anorexia and hyperexcitability.
