.________, Wilma Rudolph was a master at track and field.

Between Wilma and Jutta, who wasthe winner in the 100-meter dash and 200 meters?

Although the doctors had said that Wilma would not be able to walk, her mother still took her every week to a hospital to receive treatment and asked her other children to rub Wilma’s leg four times a day.

4. Could Wilma Rudolph walk by the time she was 8? And if so, how did she walk?

When the third runner handed the baton to Wilma in the 4 x 100 meter relay, she dropped it because ______.

Part I (Paras. 1-2) Main idea: Wilma Rudolph was hit by childhood illnesses and ____________ encouraged her to overcome them.

Wilma became the first American woman to win three Olympic gold medals in track, ______made her mother very proud. A: [A] it [B] that [C] which [D] this

以下哪项是搭便车问题的一个例子？ A: Fred和Wilma都在当地牙科学校获得了低成本的牙齿护理，所以他们都没有为牙齿护理支付全部的成本 B: Elmer的月收入很低，他可以从当地"Meals on Wheels"项目中获取免费的午餐。而他的隔壁邻居Dorothy却不能获得这样的免费午餐 C: Max有一条大狗Fido，每当有人路经他的房子时狗都会大叫。Sally住在Max隔壁，当任何人靠近她的房子时她也能听到Fido的狗吠声。因此，Sally因为Fido的狗吠声享受到了免费的防盗保护 D: David在快餐店买了一份汉堡包，并且免费得到了第二份汉堡包，因为商店正推出买一送一促销