In the United States, children start school when they are five years old. In some states they must stay in school1they are sixteen. Most students are seventeen or eighteen years old when they2secondary(中等的)schools. There are two kinds of schools in the United States: public(公立的)schools and private(私立的)schools.3children go to public schools. Their parents do not have to4their education because the schools5money from the government(政府).If a child goes to a private school, his parents have to get enough money for his schooling. Some parents still6private schools, though they are much more expensive.

    Today about half of the high school students7universities(大学)after they finish the secondary school. A student at a state university does not have to pay very much if his parents8in that state.

    But many students9while they are studying at universities. In this way they10good working habits(习惯)and live by their own hands.

阅读下面的文言文，完成下列问题。

    许将字冲元，福州闽人。举进士第一。神宗召对，除集贤校理、同知礼院，编修中书条例。初选人调拟先南曹次考功综核无法吏得缘文为奸选者又不得诉长吏将奏罢南曹辟公舍以待来诉者士无留难。契丹以兵二十万压代州境，遣使请代地，岁聘之使不敢行，以命将。将入对曰：“臣备位侍从，朝廷大议不容不知。万一北人言及代州事，不有以折之，则伤国体。”遂命将诣枢密院阅文书。及至北境，居人跨屋栋聚观，曰：“看南朝状元。”及肄射，将先破的。契丹使萧禧馆客，禧果以代州为问，将随问随答。禧又曰：“ 界渠未定,顾和好体重,吾且往大国分画矣。”将曰：“此事，申饬边臣岂不可，何以使为？”禧惭不能对。归报，神宗善之，明年，知秦州，又改郓州，上元张灯，吏籍为盗者系狱，将曰：“是绝其自新之路也。”悉纵遣之，自是民无一人犯法，三圄皆空。父老叹曰：“自王沂公后五十六年，始再见狱空耳。”郓俗士子喜聚肆以谤官政，将虽弗禁，其俗自息。召为兵部侍郎。上疏言：“治兵有制，名虽不同，从而横之，方而圆之，使万众尤一人。”及西方用兵，神宗遣近侍问兵马之数，将立具上之；明日，访枢臣，不能对也，绍圣初，入为吏部尚书，章惇为相，与蔡卞同肆罗织，贬谪元祐诸臣，奏发司马光墓。哲宗以问将，对曰：“发人之墓，非盛德事。”知颍昌府，移大名，在大名六年，数告老，召为佑神观使。政和初，卒，年七十五。赠开府仪同三司，谥曰文定。（节选自《宋史·许将列传》）

如图为美国略图，读图，完成下列各题。