1个周角=______个平角=______个直角： 1×1=1、11×11=12_爱下问搜题

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问题填空题

1个周角=______个平角=______个直角：

1×1=1、11×11=121、111×111=12321 1111×1111=______，111111×111111=______．

答案

①因为1周角=360°，1平角=180°，1直角=90°，所以一个周角=2个平角=4个直角．

②1×1=1、11×11=121、111×111=12321 1111×1111=1234321，111111×111111=12345654321；

故答案为：2，4，1234321，12345654321．

完形填空

Steve, a twelve¬-year¬-old boy with alcoholic parents, was failing. Surprisingly, he could read,
yet,   ____   his reading skills, Steve had been failing since the first grade. Steve was a
big boy, yet, he went unnoticed… ____    Miss White.
Miss White was a smiling, beautiful, young lady. For the first time in his    ____   life, Steve couldn't take his eyes off his teacher; yet,    ____   he failed. In the middle of the first term, the entire seventh grade was    ____   for basic skills. Steve hurried through his tests, and   ____   to dream of other things, as the day passed slowly. One day, Miss White's ____    voice broke into his daydreams. “Steve！” Startled (吓了一跳), he   ____   to look at her. “Pay attention！” She began to ____   the test results. “You all did pretty well，” she told the class, “   ____    one boy, and it breaks my    ____   to tell you this, but…” She hesitated, pinning Steve to his seat with a sharp   ____.“…The smartest boy in the seventh grade is failing my class！”
After that, Steve still   ____   do his homework. “Just try it，” Miss White said one day. “Steve!
Please! I care about you！” Wow! Suddenly, Steve got it! Someone cared about him? Someone, so beautiful and perfect, cared about him! Steve went home from school,    ____    that afternoon. The following Monday he arrived at school on time, and waited for Miss White to enter the classroom. She walked in, all sparkle and smiles! Immediately, she gave a   ____   on the weekend homework. Steve was the first to ____   his paper. With a look of   ____， Miss White took his paper. Steve walked back to his desk, his heart beating strongly within his chest. Miss White's face was in total   ____   ! Suddenly, her face broke into a bright smile. The smartest boy in the seventh grade had just   ____    his first test! From that moment ____   was the same for Steve.

A．in honor of

B．in spite of

C．in addition to

C．enthusiastic

A．embarrassed

B．discouraged

D．come across

单项选择题

下列呼吸力学曲线（或环）不能监测PEEPi的是（）

A.流速-时间曲线

B.压力-时间曲线

C.容积-时间曲线

D.流速-容积环

E.压力-容积环