输液过多或过快（） A.左室舒张期过短 B.左室排血量急剧下降 C.左室舒张期负荷突

阅读下面的短文，然后将划线部分句子译成汉语或英语。

To many students, joining social media (社交媒体) “circles” is now more important than making new friends in real life. And it’s easy. If you have a cell phone, you can download apps. Sina Weibo, WeChat and QQ are the most popular among them.

“I love to check my friends’ updates (更新).小题1: I also enjoy news and jokes shared on social media,” said Ou Wei, 14, from Hongling Middle School in Shenzhen. While enjoying these, Ou makes himself stay from real life. “I love playing the games on WeChat, but have no interest in playing flying chess with my classmates,” said Ou Wei.

小题2: Zhang Le（张乐）, 14, from No. 12 Middle School in Shanghai, said that social media has affected their normal life a lot. Recently his school held a basketball match, and a student hurt his leg.小题3:大多数学生忙着发送关于这个事故的照片而不是帮助他。“I think they need to learn to balance their real and online lives,” said Zhang.

小题4:What worries parents and teachers is safety.“Many students are happy to tell their interests and personal information to their social media ‘friends’. 小题5: 据报道这种信息可能会给他们带来危险,” said Han Songjun, a teacher at Hongling Middle School.For example, WeChat’s shake-shake function (功能) allows users to connect to other users close by. But police authorities warn about the risks of socializing in this way. “Be careful. Do not use the locating (定位) function in any app, do not give your name, and do not post the photos of your residential area (小区),” said Han.

已出现血压高、脉搏和呼吸减慢的重度急性颅内血肿的病人，当开颅手术时，过快的释放颅内血肿，将导致( )

A．呼吸骤停
B．心脏停搏
C．血压升高
D．生命体征无变化
E．血压骤降

如图所示，分别沿力F₁、F₂、F₃、的方向用力匀速提升物体时，关于三个力的大小，下列说法正确的是

A． 沿F₁方向的力最小

B． 沿F₂方向的力最小

C． 沿F₃方向的力最小

D． 三个力的大小相等

三种可重复的基本颌位是（）.

A.牙尖交错，侧方接触位，息止颌位

B.牙尖交错位，后退接触位，姿势位

C.牙尖交错位，前伸接触位，息止颌位

D.正中位，前伸位，侧方位

E.姿势位，牙位，肌位

马克思在《手稿》中提出的“美的规律”是指（）

A.造型的规律

B.造型美的规律

C.种的尺度

D.内在的尺度

E.“种的尺度”和“内在的尺度”的综合统一