focus on something
concentrate on something
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- 1举例说明现实生活中有哪些问题广告?应如何解决这些广告问题?
- 2should collage enlarge enrollment to meet the needs of high school student to go to collage
- 3如图所示，小明与小刚选用以上琴弦和盛可乐饮料的两个纸杯，制成了一个“土电话”． ①他们用“土电话”能实现10m间的通话，这表明：_． ②相距同样远，讲话者以同样的响度说话，如
- 4Some children were s_____ on the ice.
- 5American schools begin in September after a long summer.
- 6We are _____(luck) to go on a school trip next Sunday\
- 7有那个括号内所给词的适当形式填空
- 8关于生产者的叙述 “生产者的细胞呼吸将有机物分解成无机物,实现了物质的循环"错在哪
- 91kg/m立方和1g/cm之间的换算关系是
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