关于城市化及其影响的不正确的叙述是（ ）
A：城市化是社会经济发展的必然、社会进步的表现
B：城市化过程中机动车的迅速增长会造成城市环境质量下降
C：衡量城市化水平高低的重要指标是城市用地规模的大小
D：城市化过程中可能会给社会经济发展和社会生活带来一系列问题
蕨类植物是不结种子的植物，它的叶下表面有大量的____ （一种生殖细胞）成熟以后并散发出来，落在温暖潮湿的地方，就会萌发和生长．
对下面文段中加线句子理解最正确的一项是（ ） 4月29日哈格尔宣称，钓鱼岛适用于日美安保条约第5条，美国反对任何旨在削弱日本行政管辖权的单方面行为。 中国驻美大使崔天凯4月30日在华盛顿就美防长关于钓鱼岛争端的言论对部分中国媒体发表谈话时警告说，挑起紧张局势、加剧紧张局势的是日本方面，事实和是非都很清楚，希望其他方面不要去搬日本这块石头砸了自己的脚。
Mr Green is an Englishman. He teaches English well His English classes are very interesting. He likes us and we like him, too. Mr Green has two children----Mike and Nancy. Mike is eight and his sister Nancy is five. Mike goes to school but Nancy doesn’t. Mr Green likes to wear a T-shirt and a pair of jeans. Football is his favorite sport. After school we often have a basketball match. Sometimes Mr Green watches and joins us. He plays basketball just for us.
