下列嚼项不属于人工取便术前的评估内容()
A.腹痛
B.腹胀
C.肛门疾患
D.意识状态
E.全身皮肤
参考答案:E
—Why not _______ John a toy car for his birthday?
—Good idea! He is crazy about cars.[ ]
A. buy
B. buying
C. to buy
D. buys
家用电器是______联在电路中的,控制用电器的开关跟用电器是______联的.(填“串联”或“并联”)