[填空题]Hazardous wastes have to be treated before being dumped into landfills.

[填空题]Hazardous wastes have to be treated before being dumped into landfilis.

[填空题]Hazardous wastes have to be treated before helping dumped into landfills.

[单项选择]Conceived initially by Ericsson, before being adopted by a myriad of other companies, Bluetooth is a standard for a small, cheap radio chip to be plugged into computers, printers, mobile phones, etc. A Bluetooth chip is designed to replace cables by taking the information normally carried by the cable, and transmitting it at a special frequency to a receiver Bluetooth chip, which will then give the information received to the computer, phone, whatever.
What is basic function of the original Bluetooth
A. To connect the computer and the mobile phone.
B. To transmit information traditionally carried out by cables.
C. To send information from one computer to another.
D. To connect different webs on the Internet.

[填空题]Never before I have seen anyone who has the skill John has when he repairs cars.

• A. I have
• B. who has
• C. John has
• D. repairs

[填空题]If you are alone, go for help before you have completed the most urgent first -aid measures

[填空题]Text
As a human being you have the choice of three basic attitudes toward life. You may approach life with the philosophy of the vegetable, in which case your life will consist in being born. eating, drinking, sleeping, mating, growing old, and dying.
The second basic attitude is to look at life as if it were a business. A great many so-called successful men and women believe that life is a business, and they arrange their conduct and behavior accordingly. If you believe that life is a business, your first question of life. naturally, is "What do I get out of it " and your first reaction to any new experience is. "How much is this worth to me " In a world based on this attitude. happiness becomes a matter of successful competition.
The great majority of human beings today look at life as if it were a business. Their basic philosophy is one of competition and efficiency.
The third attitude toward life is the approach of the artist. Here the basic philosoph

[填空题]Never before (I have) seen anyone (who has) the skill (John has) when he (repairs) cars. A. I have B. who has C. John has D. repairs

[单项选择]Sharks have gained an unfair reputation for being fierce predators of large sea animals. Humanity’s unfounded fear and hatred of these ancient creatures is leading to a worldwide slaughter that may result in the extinction of many larger, coastal shark species. The shark is the victim of a warped attitude of wildlife protection: we strive only to protect the beautiful, nonthreatening parts of our environment. And, in our efforts to restore only nonthreatening parts of our earth, we ignore other important parts.
A perfect illustration of this attitude is the contrasting attitude towards another large sea animal, the dolphin. During the 1980s, environmentalists in the U. S. A. protested the use of driftnets for tuna fishing in the Pacific Ocean since these nets also caught dolphins. The environmentalists generated enough political and economic pressure to prevent tuna companies from buying tuna that had been caught in driftnets. In contrast to this effort, the populations of sharks
A. Specific to general.
B. Cause and effect.
C. Statement and example.
D. Chronological order.