台风强度主要决定于（）。A、眼区大小 B、螺旋云带的长度 C、范围的大小 D、中心密实云区

习 * * 指出，我们要坚持从我国实际出发，坚定不移走自己的路，同时我们要树立世界眼光，更好把国内发展与对外开放统一起来，把中国发展与世界发展联系起来，不断扩大同各国的互利合作，以更加积极的姿态参与国际事务。这就要求我们

①必须把独立自主、自力更生作为自己发展的根本基点  ②坚持“引进来”和“走出去”相结合，全面提高对外开放水平  ③要适时改变国家的对外开放政策  ④坚定不移地实施对外开放的基本国策

A．①②④

B．①③④

C．①②③

D．②③④

任务型阅读

请根据Nancy, Jerry, Charlie, Lucy 和Bob的不同特点，为他们选择适合他们的餐馆。

( )1. Nancy, a seventy-year-old granny, lives near the center of the city. She often gets up early and she wants to have

dinner near her house. She likes fresh salads very much.

( )2. Jerry, a school boy who likes having dinner with his friends. He likes chatting with his friends while he is having

dinner. And they want to have dinner with little money.

( )3. Charlie, an Australian art teacher. He likes drinking a cup of coffee after meals. And he often chats on MSN with

his daughter when he drinks coffee.

( )4. Lucy is a college student who majors in Chinese Culture. She is interested in Chinese music and Chinese tea.

( )5. Bob, a businessman from England, likes fish and chips very much.

       A. The Steak House: It has thick steaks(牛排), fresh salads and the best fresh fries. You need to get there before 8

a.m. to get a table because it gets crowded after that. It's closer to the center of the city.

       B. The Fish House: It 's really great for people who like fish. It's easier to get a table.

       C. Hamburger Heaven: It's popular with teenagers. It's cheap. There are many big tables for 8-10 persons. You can

enjoy the pop music and chat with your friends.

       D. Hot Coffee: You can listen to the latest hits, get the best coffee in town and eat the most delicious ice-cream. And

you can surf the internet in it.

       E. Tea House: You can drink a cup of green tea. You can also enjoy a Chinese traditional tea show. You can read

some books about Chinese culture in the house and listen to Liangzhu.

追踪决策具有哪些特征？

数据字典中存放（），数据库管理系统对应用程序的操作都要通过数据字典来进行。

A.数据库管理系统软件

B.数据定义语言DDL

C.数据操纵语言DML

D.数据库体系结构的描述

（）主要运用于企业内部定额的编制。

A、技术测定法

B、比较类推法

C、统计分析法

D、经验估计法