– I hear Tom is leaving. –____________ why?

注：Hind  III和ApaL I是两种限制酶，箭头表示酶的切割位置．

阅读材料，完成下列要求。

材料一  我国民报之产生……此为同治十三年在上海出版之《汇报》……斯四者皆当时深悉外情者之所为，惜国人尚不知阅报为何事，未为社会所见重耳。迨光绪二十一年（1895年），时适中日战后，国人敌忾之心颇盛，强学会之《中外纪闻》与《强学报》，先后刊行于京沪，执笔者皆魁儒硕士，声光炳然。我国人民发表政论，盖自此始。后此《时务报》与《时务日报》等接踵而起，一时报纸，兴也勃焉。

——戈公振《中国报学史》

材料二  日本东京，我国留学生最盛之地也，辛丑之交，言革命者始作《国民报》，发挥民族主义、民权主义，学界视如瑰宝，争趋响之。继之者有《浙江潮》、《江苏》、《湖北学生界》等杂志，皆与《国民报》言论相上下……至于乙未之岁，东京革命党创办《民报》，树六大主义，而发挥民族革命、民权革命、民生革命之理，其思想之伟大，议论之精密，不第同志之士所推，即反对者亦为之倾服。自客观言，可号为中国文从来未有之杂志；自主观言，亦可谓革命党发表最高意思之机关。

——杨光辉等编《中国近代报刊发展概况》

    Here are some ways parents can use to encourage a healthy self-image in their children.

    Teach what real value is. I think kids sometimes are confused about values. How valuable you are is not measured by how pretty you are on the outside.____We were watching the Oscars and my 6-year-old son said, “She is so pretty,” and then quickly looked at me and said You are prettier, Mom.” And I said, “It's okay. There are many people prettier than me on the outside. I know that's not why you love me____

    Tell your kids about “the grass is always greener” syndrome. It is very easy for all of us to see the charm, whether it is in a famous singer or the most popular girl in the school. Do not think too highly of famous people.____Maybe they have the same struggles, like wanting acceptance from peers.

    ____Don't be afraid to have conversations with your child about how they're feeling about ads songs, etc. You are the parent!____Take a stand and have confidence enough not to be followers and not to purchase clothing, music, or magazines that you don't believe send the right message to your children!

A. Use your mouth.

B. Be patient with your kids.

C. about what problems they might have.

D. It is important to teach children this from an early age.

E. Success is not measured by how famous you are, either.

F. Girls tend to like famous singers while boys prefer sports stars.

G In fact, kids of all ages want and need boundaries from you.