【单选题】What has Jassie already known about White House?
A.
White House is on the south side of Pennsylvania Ave., Washingten,DC, facing Lafayette Square.
B.
The east and west terraces, the executive office, the east wing, and a penthouse and a bomb shetter are added to the main building.
C.
It was designed by James Hoban on a site chosen by George Washington.
D.
It is the oldest public building in Washington.
【单选题】下列对于类似色相色调描述错误的是
A.
在色相环上,色相之间的夹角在90°左右的色相可构成类似色调,是色相的弱对比
B.
高纯度的类似色相色调给人艳丽、协调、统一的感觉,画面的整体感强,色彩的感情倾向明确
C.
中纯度的类似色相色调统一感、协调感强,给人优雅、柔和的感觉
D.
低纯度的类似色相色调调和感非常强,但是当明度接近时容易使色彩倾向含混不清
【多选题】按照差别待遇和特定的实施情况,关税可分为( )。
【多选题】按照差别待遇和特定的实施情况,进口关税可分为( )。
【多选题】按照差别待遇和特定的实施情况,关税可分为
【判断题】1923年,英国卫生部的医学官员格里菲斯证实了肺炎双球菌存在两种不同的品系,一种是粗糙的R品系,另一种是光滑的S品系。其中R品系没有毒性,而S品系有毒性。
【单选题】为了解吲达帕胺片治疗原发性高血压的疗效,将70名高血压患者随机分为两组,实验组26人采用吲达帕胺片加辅助治疗,21人有效,5人无效;对照组44人采用安慰剂加辅助治疗,20人有效,24人无效,应选用____。
【单选题】What has Jassie already known about White House?
A.
White House is on the south side of Pennsylvania Ave. , Washington,D.C., facing Lafayette Square.
B.
The east and west terraces, the executive office, the east wing, and a penthouse and a bomb shelter are added to the main building.
C.
It was designed by James Hoban on a site chosen by George Washington.
D.
It is the oldest public building in Washington.
【单选题】按照差别待遇和特定的实施情况,关税可分为
B.
进口附加税、差价税、普通税、最惠国待遇税、特惠税、普惠税