诺贝尔文学奖获得者莫言小时候有一次被同学们笑话，说他很丑，他很难过。回家后妈妈告诉他说：“你不丑，你五官端正、心地善良，你很美呢。”这告诉我们（  ）

①要认同他人对自己的一切评价        ②既要认识自己的外在形象，又要认识自己的内在素质

③要相信自我，放大自己的优势        ④要全面认识自己，不要妄自菲薄

2015年的寒冬给人民的生活、生产带来很多困难。特别是北方的城市道路都结上冰，给交通安全带来了很大的影响，小王同学在上学的路上看到抢险队员在冰雪覆盖的道路上洒大量的盐，他产生了这样的疑问：含盐的冰熔化时跟纯净的冰熔化特点有何不同？含盐浓度不同的冰，熔化特点有无区别？为此，他进行了下列探究过程：

根据以上实验事实判断：

下列各式中，是一元一次不等式的是（    ）

    Nearly 610,000 Chinese students attended schools and colleges overseas in 2017. China remains the world's ____ (large) supplier of international students. A majority____the students went to European and North American countries. Countries____ (include) in the Belt and Road Initiative (B&R) became new destinations, with student numbers ____ (rise) by 15.7 percent in 2017. At the same time, about 480,000 graduates returned to China. Since 1978, about 5.2 million Chinese____ (study) abroad and among those ____ graduated about 83.7 percent returned to China.

    Meanwhile, a total of 490,000____ (foreign) from 204 countries and regions studied in China is 2017. Students from the Republic of Korea, Thailand and Pakistan were the most numerous, while the United States ranked ____ (four). Students from B&R countries accounted for 64.9 percent of____ total. About 59,000 international students in China ____(support) by Chinese government scholarships.