皮皮学，免费搜题
登录
搜题
【单选题】
He is poor in grammar and sometimes cannot even ______ a verb from a noun.A.
say
B.
tell
C.
speak
D.
talk
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Which of the following is the best description of ray tracing?
A.
The computer simulates rays of the sun, filling in areas of light and shadow.
B.
Lines radiate outward from the imagined observer and a dot of color is placed where the line intersects with one of the points of altitude in the machine's memory.
C.
X-rays are used to trace the outline of the terrain through buildings and trees.
D.
The exact movement of rays is used by private detectives to solve mysteries and locate missing persons.
【单选题】what is Ray going to do this afternoon?
A.
Ray will have a class at 1:00.
B.
Ray will go to the library at 2:00.
C.
Ray will go home immediately after his class
D.
Ray will go home around 3:00.
【简答题】Mental Ray渲染器 名词解释
相关题目：