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（   ）

函数f（x）=Asin（ωx+φ）+b的图象如图，则f（x）的解析式和S=f（0）+f（1）+f（2）+…+f（2013）+f（2014）+f（2015）+f（2016）的值分别为（　　）

    Have you seen the cartoons of two penguins(企鹅) on the Internet? They sit on either side of a small 1. They are friends, but each does something selfish（自私的）which 2 their friend “ship” to sink(沉没).

    The cartoons have become very 3. It shows how much people value friendship and sometimes 4 they may lose their friends. A friend is someone you can share your happy and 5 moments with. A friend is someone to talk to about your deepest feelings. And with a good friend you will never be alone.

    However, keeping friendship isn't always 6. The key to 7 your friend “ship” from sinking comes down to three simple things: sharing, caring and communicating. Good friends like to share everything with each other. They share their snacks, they share their 8about schoolwork, sometimes they even share their clothes! And good friends also care about each other. They do 9 they can to make their friends happy. But the most important part of friendship is communicating.

    Communicating means talking to your friends and being honest with them. It also means that you keep in touch with your friends even though they may be in 10 schools or live far away. Without communication, it is sure to send your friend “ship” to sink into the sea.