A 2-month-old neonate with diarrhea and vomiting has been receiving IV fluids for the past 24 hours. The specific gravity of the neonate’s urine is 1.012. What should the nurse do next（）

A. Check the neonate’s blood pressure.

B. Check the specific gravity again as soon as possible.

C. Notify the physician.

D. Continue the ordered IV flow rate.

当锪窝深度大于和等于板件厚度时，或锪窝后在结构上余下的孔的圆筒形部分长度小于（）㎜时，就不能锪窝。

A.0.5

B.0.2

C.0.3

D.0.4