测量竖直角，只要测读视线倾斜时的读数，即可求得竖直角，但一定要在竖盘水准管气泡居中时才能读数。()
下列图像格式中，属于矢量图形的是()。
A．BMP B．JPEG C．WMF D．PSD
患儿5岁，症见恶寒，发热，无汗，头痛，鼻流清涕，喷嚏，咽痒，舌淡红，苔薄白，脉浮紧，辨证属于是（ ）
A:时疫感冒 B:风热感冒 C:暑邪感冒 D:风寒感冒 E:寒热夹杂感冒
Which is not true in the following sentence？
A．We should return to the pre-industrial mode of production. B．They are anxious because they are unable to acquire any real satisfaction. C．Should be prevented from ruling man. D．Enable man to fully develop his potentialities.
建筑物的按经济用途分类()。
A．商业建筑 B．工业建筑 C．住宅 D．公共设施 E．公共建筑
