历史上,作为丝绸之路重要交通枢纽的楼兰古国因为树木和水源的破坏导致生态恶化,从绿洲变成了荒漠。为了不让敦煌重演楼兰悲剧,敦煌近年来把生态环境保护和治理作为头等大事来抓。酒泉市正在着力进行“引哈济党”调水工程,把青海省大哈尔腾河的水引入党河。这告诉我们①人们可以改变事物联系的具体状态,建立新的具体联系 ②实践活动具有社会性的特点③实践是改造世界的一切活动 ④实践是一种直接现实性活动
– Jack, you can _________ the book for 2 weeks, but you must return it on time. – OK. A. borrowB. keepC. bring
The math problem is too difficult, so _________ students know the answer. A. a little B. a fewC. few
– What does Linda like to do in her free time?. – She often plays _________ guitar. A. a B. / C. the
– How does Michael like Quanzhou? – He says Quanzhou is his second _________ and he likes the city a lot. A. family B. homeC. room
You’ll never succeed in ________ my mind unless you are right.