Before the cherry-picking machine was invented, a present orchard worker's one day's work is equal to amount of work done by ______.

A . unload valve B . cooling water C . oil cup D . sum

A . loading B . leaving C . arriving D . sailing

A . have someone standing by B . make sure there is sufficient air within the locker C . de-energize the windlass D . All of the above

A . has B . have to C . has to D . must to

A . chain is clear B . anchor is clear of obstructions C . wildcat is disengaged D . All of the above

A . looked out B . looked over C . looked after D . looked o

A . Master should foresee any danger to the vessel on the present course B . vessel must be in extremis C . Master should agree to sign a release of liability form D . Master must first request the Pilot to take corrective actio

A . had begun B . has begun C . is begu

A . flash；fresh air B . wash；fresh water C . flush；compressed air D . rush；diesel oil

A . pumped up B . loaded C . discharged D . opened

A．gradually B．finally C．1astly D．entirely

A．each search area contained three target scents B．there was actually no target scent in the search area C．some target scents may be labeled with a special mark D．their dogs were expected to find the scents of red paper

A．To repair the computer by herself B．To ask for another person to help her C．To make copies of her work D．To check her back carefully

"What we want is that our Olympic athletes and Olympic champions are heroes, not just winners", said Dick Pound, a longtime IOC official. Pound, who will head a new commission charged with reducing the size and cost of the Olympics, told a Montreal news conference that 2,500 out-of-competition tests have been conducted on athletes from 75 countries, with 24 possible positive results showed actual use of illegal drags. Pound said his World Anti-Doping Agency is creating the conditions for dope-free sports. The eventual goal is a single global anti-doping code embraced by the IOC and the governments of Olympic countries, Pound said. Such a code could be in place in time for the 2004 Games in Athens, he said. "We'll be able to find anyone we need to find wherever they are, anywhere in the world", he said. "That is going to give other athletes who don't cheat a greater confidence, that there is no cheating going on. At that stage, our role switches over from testers to observers", he said. How many drugs tests will be conducted before the Salt Lake Olympic Games？ A．4,700. B．1,200. C．3,500. D．2,300.

A．Quickly B．Immediately C．Slowly D．Suddenly