我国高新技术产业区多依赖大城市的主要原因是[ ] A、市场广阔 B、人口众多 C

题型:选择题

问题:

我国高新技术产业区多依赖大城市的主要原因是[ ]

A、市场广阔

B、人口众多

C、科技力量雄厚

D、工业发达

考点:中国的高科技产业
题型:选择题
根据对话内容,从下面方框中选出适当的短语填空,使对话内容完整。
stop smoking;  because of;  are made to;  such as;  have no choice
From January1, 2009 Hong Kong banned(禁止)smoking in most public places. The places include restaurant, workplaces, schools or karaoke bars. And from July1, 2009, it banned some other public places   小题1:    nightclubs, bars or bathhouses. Even smoking in some outdoor places is against the law. For example, beaches, sports ground, museums and most areas of public parks. Hong Kong hopes the ban can prevent people from smoking passively. What’s passive smoking? When people smoke in a restaurant or on a bus, others   小题2:   breathe the smoke too. They don’t want to smoke but they    小题3:  . It does harm to people’s health. And it’ll be better if more people in Hong Kong give up smoking    小题4:    the ban.
If someone breaks the ban, he will have to pay up to HK$5, 000. Now more and more citizen begin to     小题5:  . Today’s Hong Kong is becoming more and more attractive.
题型:选择题
计算:
(1)23-(+18)-(-7)+(-12);
(2)(
7
9
-
5
6
+
3
4
)×(-36)

(3)16÷(-2)-(-
1
8
)×(-4)2

(4)-(-
1
2
)2×22-3÷(-22)×|-
1
4
|

(5)(x+y-z)+(x-y+z)-(x-y-z)
(6)-2y3+(3xy2-x2y)-2(xy2-y3
题型:选择题

一组数据5,-2,3,x, 3,-2,若每个数据都是这组数据的众数,则这组数据的平均数是(        )。

题型:选择题

男性,20岁,发热2周,体温38~39℃,检查皮肤散在紫癜,颈部及腋下可触及0.5cm×1.5cm大小淋巴结5或6个,脾肋下3cm,血红蛋白85g/L,白细胞10×109/L,血小板25×109/L。

对诊断帮助最大的检查()。

A.血细菌培养

B.白细胞分类

C.胸部X线检查

D.骨髓象检查

E.血小板抗体测定

题型:选择题

叶绿素是绿叶进行光合作用的主要场所。                            (    )

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