A tennis racket is used for hitting ___. A. tennis balls B. ping-pong balls C. basketballs D. volleyballs 相关知识点: 试题来源: 解析 A。本题考查网球拍的用途。A 选项是网球;B 选项是乒乓球;C 选项是篮球;D 选项是排球。网球拍是用来打网球的,所以选 A。反馈 收藏 ...
The US Open is now in full swing, and nearly 100, 000 new tennis balls will be used.Unfortunately, that means thousands of tennis balls will soon be useless to the tournament's top players. After being hit hard, balls quickly lose their bounce. 1Producing and throwing away the balls harm...
A closable container for used tennis balls has, on a container lower part (1), a cover (4), which can be opened and closed repeatedly, for forming a pressure container. Arranged on the container lower part and/or cover is at least one valve as filling valve (9) for introduction of a...
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【题目】Old tennis balls are being used in an unusual way to help us learn more about one of the rarest mammals (哺乳动物)in the country.Harvest mice are only about 2 inches ( 5 cm) long. This spring and summer, wildlife experts are encouraging people to report sightings of harvest ...
The tennis-ball container is pressurised, and has a lid in the form of a screw-bayonet fastening or toggle lever with O-ring seal. The container can take 3 to 6 balls. A 12 Volt compressor is attached to the container and joined to it by a fixed pipe containing a non-return valve,...
According to the International Tennis Federation, tennis balls 3 yellow. So, why do most people say that they’re green? When we 4 see an object in natural light, our brains recognize its true color. Even if the object 5 in different kinds of light later, our brains can still tell its...
【题目】Amy Maplethorpe, a first-year speech-language teacher at Raymond Ellis Primary School, used tennis balls, a hot glue gun, Mod Podge and a bit of paint to create two chairs that help students with sensory (感官的) problems.
C.People also called ping-pong table tennis.D.They hit it over the net.E.They need to practice hitting the ball very fast. 答案细节推理题.1.B 根据前句Ping-pong is an interesting game.乒乓球是一项有趣的运动.和后句They thought the ball sounded like ping and pon...
Nel¬son occurred as two teenage boys played a street game akin to polo,* in which croquet mallets were used to drive tennis balls in the direction of a predetermined goal.' Each boy struck his tennis ball with his mallet, swiftly ran down the street after it, [translate] ...