同一架飞机，保持表速相同，如果高度升高，飞行M数（）。 A.增大 B.减小 C.不变

阅读下面短文，用括号内所给动词的适当形式填空 (必要时可加情态动词或助动词)。

Wu Juping is a 31-year-old woman from Zhejiang Province. She (1)_____________ (call) “The Most Beautiful Mother” because she saved a 2-year-old girl who (2) _____________ (fall) from the 10th floor of a building in Hangzhou on July 2, 2011.

The 2-year-old girl (3)_____________ (sleep) in the bedroom when her grandmother left her to get something. Before her granny (4) _____________ (return), the little girl woke up and crawled to the windowsill.

A neighbor who lives a floor below tried (5) _____________ (reach) the girl on the windowsill, but he didn’t succeed and the girl fell down.

Wu, who lives in the same neighborhood, (6)_____________ (pass) by. She immediately took off her high heels and ran towards the building. She (7) _____________(catch) the girl before she hit the ground. Though she (8) _____________ (not hold) the girl, she managed to break the 2-year-old girl’s fall.

Wu is now in hospital with a broken arm and the little girl (9) _____________ (get) better now.

“I did it out of a mother’s instinct（本能）,” Wu said from her hospital bed later.

“If the baby (10) _____________ (hit) the lady’s head, she would probably be dead at once. This is the great love of a mother!” said Doctor Jin Dengfeng who treated Wu.

一例用短效胰岛素治疗的糖尿病人，多次空腹血糖增高，尿糖阳性，白天尿糖全部阴性。

如果上述检查排除了病人发生Somogyi现象和"黎明现象"的可能，则应选用下列哪项方案为宜（）

A.临睡前增加注射4U中效胰岛素

B.改用中效胰岛素

C.临睡前加服0.5g格列齐特

D.增加晚上短效胰岛素剂量

E.临睡前加餐1次，同时加注1次短效胰岛素

简述RAM元件与ROM元件的存储原理的区别及其应用领域？

一群旅游爱好者到祖国的大好河山去旅游，下图为他们到达北纬300N附近一个地区的等高线地形图，图中等高距为100米。读图完成下列各题。

若要在该地建一疗养所，最适合的位置是（）

A.e

B.c

C.d

D.a

湿度表示湿空气中水蒸气含量的（）。

A、绝对值

B、相对值

C、增加值

D、减少值