脑脓肿形成期增强扫描脓肿壁明显强化具有以下特点，除了（）
A.完整
B.光滑
C.壁薄
D.壁厚
E.均匀
参考答案：D
家庭电路中接有额定电流为5A的保险丝，在这个电路里允许接的用电器的总功率不能大于________kW。现已经装了40W的电灯5盏，正常使用800W的电热器一只，最多还可以接入__________盏60W的电灯。
A client has a total serum cholesterol level of 326 mg/dL. The nurse explains to the client that this level（）
A. is normal and requires no further treatment.
B. is high and will require dietary modification.
C. is low and requires no further treatment.
D. is borderline normal and may require dietary modification.
