The best title for this selection is __.

你(LiYuan)的生日就要到了，写封信邀请朋友参加你的生日聚会。信的内容包括：

(1)告知对方聚会的具体时间、地点。

(2)到达聚会地点的行车路线及便利的交通工具。

根据以下资料，回答1~5题。

Eloise: What are you doing this weekend?

请在第_____处填上正确答案。

The Shot Spotter has helped police __.

根据以下资料，回答18~21题。

It used to take Redwood City, California police hours to locate gunfire．Now, they have a new tool that helps them find the gunfire quickly．This new tool is called the Shot Spotter, The police began using the Shot Spotter in 1995．They wanted to cut down on gunfire in their city.

One Shot Spotter covers a square mile．Eight microphones are put on the roofs of buildings．These microphones pick up gunfire noise．It only takes seven seconds to report the gunfire to the police．Then a red dot on the police map shows where the action is.

The Shot Spotter really works well．It locates the gunfire within 20 to 40 feet plus or minus．Redwood City police are very happy with the Shot Spotter．They think it might have helped catch the D.C．sniper.

Shot Spotters cost a lot of money．One of them sells for $200,000．Despite the cost, Shot Spotters can be a big help in fighting crime.

Eight microphones placed on rooftops __.

The red dot on the police map shows __.

The best title for this selection is __.

What is the writer's attitude toward Shot Spooters?

根据以下资料，回答13~16题。

The first true piece of sports equipment that man invented was the ball.

In ancient Egypt, as everywhere, pitching stones was a favorite children's game．But a badly thrown rock could hurt a child．Looking for something less dangerous to throw, the Egyptians made what were probably the first balls.

This selection says that the Egyptians played __.

The Egyptians thought that ball playing was __.