体温下降期临床表现为体温骤降的疾病常见于（）.
A.败血症
B.风湿热
C.结缔组织病
D.大叶性肺炎
E.伤寒
参考答案：D
The girl go herself into a serious situation____she was likely to lose control over the
motorbike.
A．where
B．which
C．while
D．why
锅炉的水循环分为哪两类？
