皮皮学，免费搜题
登录
搜题
【单选题】
一质点的运动方程是 , R 、 为正常数。从 t = 到 t =2 时间内 , 该质点经过的路程是 ( )A.
2R
B.
ΠR
C.
0
D.
2ΠR
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】When did Chinese conservatism begin?
A.
17th century.
B.
18th century
C.
19th century.
D.
20th century.
【简答题】When will guests arrive on Friday from 13th May through 16th July?
【简答题】When will they hold the 50th anniversary of their university? On ______ .
【单选题】When will the man be back from abroad?
A.
On the 5th．
B.
On the 10th．
C.
On the 15th．
D.
On the 19th．
【单选题】When was the city destroyed?
A.
On May 10th.
B.
On May 8th.
C.
On May 7th.
D.
On May 5 th.
【单选题】若有声明： char str1[10] = "code",str2[10]； 则下面对变量 str1 和 str2 正确访问的是（ ）。
A.
str2 = str1
B.
str1 = str2
C.
strcpy(str2，str1)
D.
str2，str1
【单选题】When does the school have dance classes ?
A.
On 13th and 27th
B.
On 27th and 29th
C.
On 10th and 27th
D.
On 10th and 15th
相关题目：