为了提高热机效率，可采取的措施是（  ）

阅读理解
    Dogs are people's friends. They will do anything their masters (主人) ask them to do and they do their duty very well.
    Curly is my black dog. He is big and strong. He is strong enough to carry me on his1 . He likes running and playing with me. He likes to 2my father around in the fields, too.
   One day my father took off his coat. Put it on the ground 3  a big tree and said to Curly. “  4  my coat.”
Curly sat down on the coat. Then my father remembered he had to5dinner for the family.   6 he went home and forgot all about his coat and dog.  
    Late in the evening I 7 my dog and looked for him everywhere in the yard. I called, "Curly, Curly!" But Curly did not answer.
Soon my father wanted something in his coat pocket (口袋). Suddenly he remembered8  he had done. Quickly he went back to the big tree. What do you think he saw? Curly was 9 sitting on the coat! He was afraid someone would take it10 .

处世果断是意志坚强的表现。（  ）

下列是生物学技术制备抗体的两个途径模式简图．

（1）过程①和②得到的Y细胞称为____ ．得到的单克隆抗体最主要的优点是____ ．

（2）抗体1与抗体2的氨基酸排列顺序相同，两者的空间结构是否相同？____ ．为什么？____ 

（3）在基因表达载体中，启动子的作用是____ 识别和结合的部位，驱动V1基因的____ 

（4）质粒上的标记基因的作用是____ ．

（5）过程④要用到的主要酶是____

阅读材料，回答问题

材料一：让别的国家分割大陆和海洋，而我们德国家满足于蓝色天空的时代已经过去，我们要求阳光下的地盘。

——德国外交大臣皮洛夫

材料二：第二次工业革命后，资本主义国家获得了突飞猛进的发展，生产领域出现了垄断和垄断组织，自由资本主义向着垄断资本主义过渡。主要资本主义国家美、德、英、法、日、俄相继进入帝国主义阶段。

材料三：欧洲变成一只火药桶，只等一粒火星将其引爆。

材料四：第一次世界大战给我带来巨大的生命和财产的损失，我们用泪水和内心的悲愤呼喊，我们需要安宁。