皮皮学，免费搜题
登录
搜题
【单选题】
当今世界上最常用的数系是()。A.
二十进制
B.
十进制
C.
二进制
D.
六十进制
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】A U.N. post on its side was hit by a missile—although the observer team said it was a ______Israeli shell.
A.
stray
B.
streak
C.
strait
D.
strain
【单选题】At the time of Cuban Missile Crisis, the President of the U .S. was______.
A.
Truman
B.
Eisenhower
C.
Kennedy
D.
Johnson
【简答题】A missile rushed o ut from under the bomber. Out ______________ from under the bomber.
【简答题】At
the time of Cuban Missile Cr, the President of the U.S. was ____________.A. Truman B. Eisenhower C. Kennedy D. Johnson
相关题目：