牛乳成分与母乳成分相比较,哪项是不正确的() A.蛋白质含量多,且以酪蛋白为主 B.

题型:单项选择题

问题:

牛乳成分与母乳成分相比较,哪项是不正确的()

A.蛋白质含量多,且以酪蛋白为主

B.含饱和脂肪酸较多

C.乳糖含量低于母乳

D.牛奶矿物质盐类较少

E.铁吸收率低

考点:贵州住院医师儿科儿科基础与保健儿科基础与保健题库
题型:单项选择题

One afternoon, Kate and her brother Bob went out to play.Kate was eight, and Bob was ten.“Let’s go to the bridge and we can see fish in the river.” said Kate.

“I don’t know…” Bob said.“Mum told us, ‘don’t go on the bridge.’ She said it’s dangerous.”

Kate said, “I am not afraid.Are you?”

They walked onto the bridge and began looking for fish in the river.The bridge was a train bridge.Trains went over the bridge three times a day.

The children were standing in the middle of the bridge when they heard a loud noise.“A train is coming!” Bob shouted.“Run!” He ran to the end of the bridge.He was safe.

Kate ran, too, but she fell.The train was coming fast.Kate ran towards Bob.She fell again right on the train tracks(铁轨).There was no time to leave.She had to lie down between the tracks.A few seconds later, the train went over the girl, but she was not hurt at all.She stood up and said to Bob, “Don’t tell Mum! Don’t tell Mum!”

At last their mother found out about the story.She was angry because they went on the bridge.But she was happy that Kate was all right.

小题1: Bob and Kate were       .

A.twins

B.brothers

C.sisters

D.brother and sister小题2:One afternoon they went to the bridge to see       .

A.their mother

B.fish

C.the train

D.the river小题3:When the train came, the children were       .

A.in the middle of the bridge

B.at the end of the bridge

C.on their way to the bridge

D.away from the bridge小题4:Where was Kate when the train was going over her?

A.She fell again right on the train tracks(铁轨).

B.Kate ran towards Bob.

C.She had to lie down between the tracks.

D.She stood up and cried.小题5:When their mother knew about the story, she was       .

A.happy

B.angry

C.sorry

D.both angry and happy

题型:单项选择题

如图,重为3.2×104N的卡车,经过一段水平路面,再以9.6×104W的功率沿与水平地面成30°角(30°角的斜坡,斜坡长是斜坡高的2倍)的斜坡匀速向上爬行20m.已知斜坡的机械效率为80%.求卡车:

(1)爬坡时的牵引力;

(2)爬坡时的速度.

题型:单项选择题

阅读下列材料,回答问题。

材料一 何为民国?美国总统林肯氏有言曰:“民之所有,民之所治,民之所享。”此之所谓民国也。何谓民权?即近来瑞士国所行之制:民有选举官吏之权,民有罢免官吏之权,民有创制法案之权,民有复决法案之权,此之谓四大民权也。必具有此四大民权,方得谓为纯粹之民国也。

——孙中山《建国方略》

材料二 人民要怎么样管理政府,就是实行选举权、罢免权、创制权和复决权;政府要怎么样替人民做工夫,就是实行行 * * 、立法权、司法权、考试权和监察权。有了这九个权,彼此保持平衡,民权问题才算是真解决,政治才算是有轨道。

——《孙中山全集》第九卷

(1)依据材料一,指出孙中山对民主政治的认识。(6分)

(2)材料二孙中山对政府权力的认识有何变化?结合所学知识加以评述。(6分)

题型:单项选择题

一个棱长是6分米的正方形容器里装满水,将水倒入一个底面积是12平方分米的圆锥形容器里,正好装满.这个圆锥形容器的高是多少分米?

题型:单项选择题

工程量是()的直接依据。

A、确定直接费单价

B、确定间接费

C、编制工程量清单

D、确定投标单价

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