下列各组词语中，有错别字的一组是（    ）。

   The Blacks are English . Now they are in Beijing . This is their first visit to China.
   They are going to stay in China for three weeks . They want to learn some Chinese ,too.
   He likes driving in Beijing very much .Mrs Blacks is a teacher .She often visits a middle school in Beijing ,and she likes to speak with students.
They take a lot of photos in China .When they are back to English ,They’re going to show the photos to their friends. They want the English People to know more about China.

水是生命之源，我们应该了解水、爱护水资源。下列说法错误的是（）

阅读下列材料，回答问题。

材料一：及秦孝公用商君，坏井田，开阡陌，急耕战之赏，虽非古道，犹以务本之故，倾邻国而雄诸侯。然王制遂灭……庶人之富者累巨万，而贫者食糟糠：有国强者兼州城，而弱者丧社稷。

一一《汉书·食货志》

材料二：（宋神宗）与王安石论助役事，安石辩数甚力。上曰：“无轻民事，惟艰。”安石曰：“陛下固知有是说，然又须审民事不可缓。”上曰：“修水土诚不可缓。”安石曰：“去徭役害农，亦民事也。岂特修水土乃为民事？如修水土非陛下能胜异论，则谁肯为陛下尽力？且议助役事已一年，须令转运使、提点刑狱、州县体问百姓，然后立法，法成又当晓谕百姓，无一人有异论，然后着为令，则其于民事，可谓不轻矣。”

——《续资治通鉴长编》