结核杆菌感染人体并侵入细胞后会引起结核病，体内接触该靶细胞并导致其裂解的免疫细胞是（   ）

如图所示，表示近视眼成像情况和近视眼矫正后成像情况的图分别是（　　）

    Ben and Jim are twin brothers. They are nine. They are pupils. They study in Yuxin Primary School. They are in the same class. Everyday they go to school and come back together.

    Their teacher, Mrs. Green, says to the pupils. Please write a composition (作文) 'My Mother'.

    Jim is a good boy. He writes the composition at home. But Ben plays football with his friends. The next day Mrs Green says to the class, “I read your compositions today. But two of yours are just the same.” Ben stands up and says, “Jim and I are twins. We have the same mother.”

Ｗhat ____ Daming want? A hot dog, please.

一天，陆军部长斯坦顿来到林肯那里，气呼呼地对他说一位少将用侮辱的话指责他偏袒一些人。林肯建议斯坦顿写一封内容尖刻的信回敬那家伙。

“可以狠狠地骂他一顿。”林肯说。

斯坦顿立刻写了一封措辞强烈的信，然后拿给总统看。 “对了，对了。”林肯高声叫好，“要的就是这个！好好训他一顿，真写绝了，斯坦顿。” 但是当斯坦顿把信叠好装进信封里时，林肯却叫住他，问道：“你干什么？” “寄出去呀。”斯坦顿有些摸不着头脑了。 “不要胡闹。”林肯大声说，“这封信不能发，快把它扔到炉子里去。凡是生气时写的信，我都是这么处理的。这封信写得好，写的时候你已经解了气，现在感觉好多了吧，那么就请你把它烧掉，再写第二封信吧。”