﹣32+(﹣3)2的值是
A.﹣12
B.0
C.﹣18
D.18
B.
About 70 percent of the population ______ in that country in the mountains and only 30 percent of its land ______ farmland.
A.lives; are B.live; areC.live; is D.lives; is
男,45岁,近2个月来感胸闷、心悸、气促、乏力,逐渐出现少尿、下肢水肿。查体:颈静脉充盈,血压90/60mmHg,心浊音界向两侧扩大并随体位而改变,心音低钝,肝大,肝颈静脉回流征阳性。X线提示心脏阴影普遍性向两侧扩大,心脏搏动减弱。
体检时可能出现的脉搏是()
A.正常脉
B.无脉
C.水冲脉
D.交替脉
E.奇脉