约分:10a2b4ab2=______.

题型:填空题

问题:

约分:
10a2b
4ab2
=______.
考点:分式的基本性质
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口蹄疫病毒在感染动物的______组织中含毒量最高( )。

A.血液

B.唾液

C.水疱液

D.乳汁

E.组织液

题型:填空题

读“世界城市人口比重增长图”,其中四种图例分别表示发达国家、发展中国家的城市人口和农村人口(①与②表示发展中国家,③与④表示发达国家)。据此完成小题。

小题1:图中表示城市人口的图例是(  )

A.①③

B.①④

C.②③

D.②④小题2:1960年以后,发达国家城市化的速度低于发展中国家的原因可能有(  )

A.发达国家的人口呈现负增长的趋势

B.发展中国家城市的快速、健康发展

C.发展中国家民族经济迅速发展,带动城市化速度加快

D.发展中国家城乡之间经济差异逐渐缩小

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病历摘要:为了合理进行剂型设计,提高制剂质量,确保用药安全有效,提高经济效益,必须重视、研究药物制剂的稳定性。

按分散系统分类,脂质体属于().

A.溶液型

B.胶体溶液型

C.乳剂型

D.混悬型

E.微粒分散型

F.半固体分散型

G.固体分散型

题型:填空题

    Last night was the last game for my eight-year-old son's soccer team. It was the final quarter. The score was two to one, my son's team in the lead. Parents surrounded the playground, offering encouragement.

With less than ten seconds remaining, the ball suddenly rolled in front of my son's teammate, Mickey O'Donnel. With shouts of "Kick it!" echoing (回响) across the playground, Mickey turned around and gave it everything he had. All around me the crowd erupted (沸腾). O'Donnel had scored!

Then there was silence. Mickey had scored all right, but in the wrong goal, ending the game in a tie. For a moment there was a total hush. You see, Mickey has Down syndrome (综合症) and for him there is no such thing as a wrong goal. All goals were celebrated by a joyous hug from Mickey. He had even been known to hug the opposing players when they scored.

The silence was finally broken when Mickey, his face filled with joy, hugged my son tightly and shouted, "I scored! I scored. Everybody won! Everybody won!" For a moment I held my breath, not sure how my son would react. I need not have worried. I watched, through tears, as my son threw up his hand in the classic high-five salute and started chanting, "Way to go Mickey! Way to go Mickey!" Within moments both teams surrounded Mickey, joining in the chant and congratulating him on his goal.

Later that night, when my daughter asked who had won, I smiled as I replied,  "It was a tie. Everybody won."

61. What was the score of the soccer match?

A. Two to two, equal to both the teams.        B. Three to one in Mickey's team's favor.

C. Two to one in the opposite team's favor.        D. Everybody won because of Mickey's goal.

62. The underlined word "hush" in paragraph 3 means

A. cheer    B. cry      C. laughter   D. silence

63. What did the author worry about when Mickey scored and hugged his son?

A. The result of the match would fail his son.

B. His son would shout at Mickey for his goal.

C. Mickey would again hug the opposing players.

D. His son would understand Mickey's wrong goal.

64. It can be inferred(推断出) from the passage that ________.

A. both teams liked and respected Mickey

B. both teams were thankful to Mickey for his goal

C. Mickey didn't mind though his goal was wrong

D. Mickey was a kind- hearted boy and hoped everybody won

65. The purpose of the author in writing the passage is ________.

A. to tell a joke to make readers laugh

B. to suggest we should not mind losing

C. to show enjoying a game is more than winning a game

D. to present his son's fine qualities of understanding others

题型:填空题

理想气体分子相互之间()。

A.没有位移

B.没有碰撞

C.没有作用力

D.没有位能

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