皮皮学，免费搜题
登录
搜题
【单选题】
力偶对物体的作用效果是只有（）A.
转动
B.
转动和移动
C.
移动
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
【简答题】China is the world’s largest developing nation and the US is the world’s most developed large nation. Bilateral trade between the two has grown impressively. In the early part of the 1970s, there was ...
【单选题】China is the world’s most populous country with a population of ________, which makes up approximately a quarter of the world population.
A.
1.3 billions
B.
1.3 billion
C.
billions
D.
billions of
【单选题】China is the world’s most _______ country with a population of 1.1 billion, which makes up approximately a quarter of the world population.
A.
popular
B.
populous
C.
polluted
D.
reproductive
【单选题】China is the world’s most populous country with a populaion of ____ , which makes up approximately a quarter of the world population.
A.
1.3 billions
B.
1.3 billion
C.
billions
D.
billion of
【简答题】系统中的三种典型技术分别是 ()、身份( )和加密技术
【判断题】China is the world’s largest automobile market with sales of 16 million in 2010.
A.
正确
B.
错误
【单选题】China is the world’s most populous country with a population of 1.3 billion, which makes up______ less than a quarter of the world’s population.
A.
accidentally
B.
alternatively
C.
automatically
D.
approximately
【简答题】系统中的三种典型技术分别是( )、加密技术和身份认证技术。
相关题目：