Don't _____ the water . It is cold.[ ]
A. Play
B. play for
C. play with
D. Play on
答案:C
下列直肠癌转移途径中最主要的是()
A.直接蔓延
B.肠腔内播散转移
C.腹腔内种植转移
D.淋巴转移
E.经血液循环转移
如果空调室外机冷凝翅片被异物堵住,则空调会发生()报警
A.高压报警
B.低压报警
C.低水位报警
D.气流不足报警