心内膜下心肌梗死的并发症是（）
A.心脏破裂
B.附壁血栓形成
C.室壁瘤
D.无菌性纤维素性心包炎
E.以上都不是
参考答案：B
My grandma used to live in the country, but now she _______living in the city and likes the city life.
A．is used to
B．is used for
C．used to
D．uses to
低体温症是指人体核心温度由37℃降到（）以下。
A.28℃
B.31℃
C.32℃
D.35℃
