“贫雇农得地开心，中农有利放心，富农不动安心，地主劳动回心。”此局面应出现在（）A.

Hello! I’m Alex. I often get up at 6:30 am. Half an hour later(之后), I have my breakfast. At 7:30 am, I take a bus to school. We have Math, Chinese and English classes from 8:00 am to 11: 30 am. I have lunch and talk with my classmates at school. We have three classes from 1:40 to 4:10 in the afternoon. After school, I often play with my classmates. We often play soccer, tennis and ping-pong. I go home at about 5:00 pm. I usually have dinner at 6:00 pm. Then I do my homework and watch TV. At about 10:30 pm, I go to bed.

小题1:---When does Alex go to school in the morning?

--- At______.

A．half past six

B．seven

C．six thirty

D．seven thirty小题2:---What time does Alex eat breakfast?

--- At ______.

A．six

B．seven

C．seven thirty

D．eight小题3:How long does it take Alex to have breakfast?

A．Thirty minutes

B．An hour

C．Ten minutes

D．Seven hours小题4:Alex usually ______before he goes to bed.

A．plays computer games

B．takes a shower

C．play soccer

D．watch TV

将财政收入分为政府公共财政收入和国有资产收入，这是按( )进行的分类。

A．财政收入的价值构成

B．财政收入的管理权限

C．取得财政收入的依据

D．取得财政收入的稳定程度

6岁男婴，因发热腹泻3d急诊入院。入院前2d清晨突起发热，下午呕吐2次，继而泻水样便5～6次，量少，次日热退吐止，泻频增至10余次/d，尿量减少，体温38.8℃，神萎，前囟眼窝凹陷，泪少，咽稍充血，心肺正常，皮肤弹性减退

最可能的诊断是（）

A.肺炎＋肠道外感染

B.急性胃肠炎

C.细菌性痢疾

D.病毒性肠炎

E.致病性大肠杆菌肠炎

牛顿曾经认为：熟了的苹果离开苹果树后不一定做自由落体运动，在地球赤道上的苹果树，当其高度为某一个值时，苹果脱离苹果树后可以相对苹果树静止而不下落．经过一番运算后他终于给出了答案．已知地球半径为R，地球表面的重力加速度为g，地球的自转周期为T，则：

（1）牛顿的“苹果树”的高度为______；

（2）牛顿的“苹果树”的“苹果”脱离果树后运动的线速度为______．（用题目中的已知量表示）

一般情况下，成人洗胃一次灌注量约为（）

A.100~300ml

B.300~500ml

C.500~800ml

D.800~1000ml