互花米草起源于美洲，秸秆密集粗壮、地下根系发达，能够促进泥沙的快速沉降和淤积，因此，许多国家为了保滩护堤、促淤造陆，先后加以引进。但是其在潮滩湿地生境中超强的繁殖力，威胁着海滨湿地当地物种。请回答下列问题。

阅读下面短文，从方框中所给的A—D四个选项中选择正确的答案，并将其序号填入（1）~（4）题，使短文意思连贯，然后回答最后一小问。

    Tuesday was like any other day for Morgan Bieley, 15. It was the fourth period, and she was the first student to arrive in the gym for her P.E. class. （1）____.

    "There was a sharp cracking noise and then a loud boom. After that, I didn't remember anything,"said Morgan.

    The roof（屋顶）of the gym had fallen down under the heavy snow. Morgan couldn't get away. "I woke up and there was a big piece of wood on my leg. （2）____. I was starting to get cold."

    Luckily, help was nearby. A new program using "rescue（救援）robots" was tried for the first time.

    "We were nervous about using the robot,"said Derric Sneed, the leader of the program. "But in the end the robot gave us exact information.（3） ____."

    The robot was able to go into the gym and find Morgan's place. "Once we made sure where Morgan was and knew it was safe, our men went into rescue her,"says Sneed. "Her leg was broken and she was scared, but thankfully, she was alive."

    Doctors say that Morgan is doing well. （4）____. "I want to meet my hero after I get out of the hospital," laughs Morgan. "That little robot saved my life!"

A. It went rather well B. I couldn't move C. She should be going home in three days C. Suddenly there was a loud noise.

Who does Morgan think her hero is?（回答不多于3个单词）

____

亚洲流经国家最多的一条国际河流是（  ）

函数y=kx+b和函数y=ax+m的图象如图所示，求下列不等式（组）的解集

依次填入下列句子横线处的词语，最恰当的一项是
①尼科·罗斯伯格站在领奖台最高处，尽情     香槟，随后与车队主管罗斯·布朗、梅赛德斯赛车运动部副总裁罗伯特·豪格热情拥抱。
②尽管就业形势非常严峻，但我国近年米    就业的力度空前加大，一个有助于再就业的社会网络正在形成。
③如果雨下得太久，就会使地里的种子烂掉，但这对高地上的草是有好处的；    对高地上的草很好，对我这个牧羊人     就很好了。