[单项选择]Besides giving three hundred-dollars to each taxpayer this year, what else did the democratic lawmakers propose
A. Raise the tax rate on earnings for low-income taxpayers.
B. Lower the tax rate on earnings for low-income taxpayers.
C. Raise the tax rate on earnings for high-income taxpayers.
D. Lower the tax rate on earnings for high-income taxpayers.

[填空题]Children take pleasure in giving books to each other.

[单项选择]
Three scales of temperature, each of which permits a precise measurement, are in concurrent use: the Fahrenheit, Celsius, and Kelvin scales. These three different temperature scales were each developed by different people and have come to be used in different situations.
The scale that is most widely used by the general public in the United States is the Fahrenheit scale. In 1714, Daniel Gabriel Fahrenheit, a German physicist who was living in Holland and operating an instrument business, developed a mercury-in-glass thermometer and the temperature scale that still carries his name. His original scale had two fixed points: 0° was the lowest temperature that he could achieve in a solution of ice, water, and salt, and 96° was what he believed was the normal temperature of the human body (though this was later determined to be 98.6°). Based on this scale, he calculated that the freezing poin
A. It was developed by an astronomer from Sweden.
B. It came into use in the eighteenth century.
C. One hundred degrees separated the freezing and boiling temperatures of water on it.
D. On it, 0° indicated the temperature at which water freezes.

[填空题]An (21) , giving information on more than three quarters of the actors (22) in Britain, is now available on CD-ROM. Some theatrical (23)have over 500 actors on their (24) and it is difficult to remember all their(25) ______. The database lists information on over 5,500 actors and can be searched for details such as past (26) they have appeared in, (27) they might have,and even the colour of their eyes. The database can quickly locate persons with(28) and, although some actors feel it is too impersonal to be of much use, it iscertain to change the way actors are chosen for parts in (29) . Ring thefollowing telephone number for further enquiries about the (30) : 0171-379-6000.