皮皮学，免费搜题
登录
搜题
【单选题】
当今世界综合国力的竞争集中体现为( )的竞争A.
军事
B.
科技和人才
C.
文化
D.
经济
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】— I often play computer games on Sundays. What __________ you? — I often play football. [ ]
A.
for
B.
about
C.
with
【单选题】What do you do on Saturdays? [ ]
A.
I often paint.
B.
I often play ping-pong.
C.
I often play football.