According to Dr. Walter Willett, healthy lifestyle. practices will most probably_____.A．re

Figures in the statements of the Associated Press are to show that _____.

A．more than 25% of the people with all four unhealthy habits died

B．the cumulative effect of all four behaviors added to death risks

C．those with none of four unhealthy behaviors tend to live longer

D．it"s easy to distinguish those with four bad habits from those without

The four risky behaviors will most probably cause _____.

A．an increased mortality risk

B．an irreversible prematurity

C．a rising death toll

D．an unwholesome lifestyle

The word "grim" (Para, 1) most probably means _____.

A．sustainable

B．durable

C．horrible

D．detectable

What is the main idea of the text?

A．The prospect of tracking services.

B．Mobile phones with GPS functions.

C．The application of location services.

D．The dominating tracking systems.

The example in Paragraph 6 is used to illustrate that______.

A．Nextel provides a different operation strategy

B．GPS technology is vital for tracking service

C．tracking service becomes a flourishing business

D．location service is abused by married people

What is special about Child Zone, according to Paragraph 4?

A．It is popular with children who have a mobile phone.

B．It provides both parents and children with much fun.

C．It sends alerts to parents without the child"s awareness.

D．It alerts the child if he strays outside a specified zone.

The tracking function of the mobile networks was probably first intended for _____.

A．federal officials

B．national security

C．parent consumers

D．emergency rescue

.

A．are less sensitive

B．are more adventurous

C．need to be brave in life

D．need to be cool-headed in life

We can learn from David Rakisons study that _____.

A．people develop fears for dangerous animals by learning

B．people are born with fears for dangerous animals

C．boys do not feel frightened by the pictures of spiders

D．girls are more attracted by beautiful flowers than boys do

ed that students should have been _____.

A．more independent

B．more ambitious

C．more creative

D．more diligent