读下面两首古诗，回答以下问题 。

甲                                            乙

望月怀远                                        月夜

海上生明月，天涯共此时。                   今夜鄜州月，闺中只独看。

情人怨遥夜，竟夕起相思。                    遥怜小儿女，未解忆长安。

灭烛怜光满，披衣觉露滋。                    香雾云鬓湿，清辉玉臂寒。

不堪盈手增，还寝梦佳期。                    何时倚虚幌，双照泪痕干。

问题：甲 、乙两首古诗的最后一联都表达了作者的愿望，请指出其相同之处何不同之处？

Since 1975 there has been in the United States a dramatic decline in the incidence of traditional childhood diseases such as measles. This decline has been accompanied by an increased incidence of Peterson’s disease, a hitherto rare viral infection, among children. Few adults, however, have been affected by the disease.
Which of the following, if true, would best help to explain the increased incidence of Peterson’s disease among children ？（）

A．Hereditary factors determine in part the degree to which a person is susceptible to the virus that causes Peterson’s disease.

B．The decrease in traditional childhood diseases and the accompanying increase in Peterson’s disease have not been found in any other country.

C．Children who contract measles develop an immunity to the virus that causes Peterson’s disease.

D．Persons who did not contract measles in childhood might contract measles in adulthood, in which case the consequences of the disease would generally be more severe.

E．Those who have contracted Peterson’s disease are at increased risk of contracting chicken pox.