[填空题]People use it when it rains.

[判断题]

People usually use formal language when they first meet someone.

[填空题]people use it when it rains

[判断题]

People usually use more words to sound more polite.

[单项选择]Ironically, people who use aspartame as a sweetener to reduce their caloric intake could wind up defeating their purpose, since studies show that high levels of aspartame may trigger a craving for carbohydrates by depleting the brain of a chemical that registers carbohydrate satiety.
Which of the following conclusions can most properly be drawn if the statements above are true
A. Aspartame can be more hazardous than carbohydrates to people’s health.
B. People who do not use aspartame are not likely to develop a craving for carbohydrates.
C. The caloric content of foods that are high in carbohydrates is significant.
D. People tend to prefer sweet foods to those high in carbohydrates.
E. (E) Food products that contain aspartame are typically low in carbohydrates.

[单项选择]People who use words skillfully （　） instant attention and respect.
A. direct
B. order
C. turn
D. command

[单项选择]

MIDI enables people to use （） computers and electronic musical instruments. There are actually three components to MIDI, the communications " （） ", the Hardware interface and a distribution （） called "Standard MIDI Files". In the context of the WWW, the most interesting component is the （） Format. In principle, MIDI files contain sequences of MIDI Protocol messages. However, when MIDI Protocol （） are stored in MIDI files, the events are also time-stamped for playback in the proper sequence. Music delivered by MIDI files is the most common use of MIDI today.

MIDI enables people to use （） computers and electronic musical instruments.
A. personal
B. electronic
C. multimedia
D. network

[填空题]Who were the first people to use coin as money

[填空题]How can you protect other people when you have a cold
______ with a tissue when you cough or sneeze at least.

[填空题]

How can people make use of sea water They make use of it by ______________________ the salt.

[单项选择]MIDI enables people to use (11) computers and electronic musical instruments. There are actually three components to MIDI, the communications" (12) .", the Hardware Interface and a distribution (13) called "Standard MIDI Files". In the context of the WWW, the most interesting component is the (14) Format. In principle, MIDI files contain sequences of MIDI Protocol messages. However, when MIDI Protocol (15) are stored in MIDI files, the events are also time-stamped for playback in the proper sequence. Music delivered by MIDI files is the most common use of MIDI today.

A. personal
B. electronic
C. multimedia
D. network