2020牛津译林版九年级英语下 9B Unit1 课时练习.pdf

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9B Unit l Life on Mars
课时练**** 6 (Main task & Ch C．To reading；to D．Read；for
五、完形填空．
Is there life on Mars? We do not know ．We are 1 that earthmen cannot 1ive on Mars ．Earthmen 2
oxygen to breathe．There is almost no oxygen on Mars．
Living on Mars would be 3 living on a very high mountain ．There would be 4 air．The temperature
might be 50 degrees above zero at noon and 100 degrees 5 zero at night．
Many people think there may be 6 on Mars．we know that Mars has carbon(碳)．This is a kind ofmaterial found in all plants and animals on Earth．
7 a telescope，we can see that Mars looks red．In some places．it seems grey．At Mars there is a kind of
plant life changing color with 9 ．
Will earthmen go to Mars one day? If they do，they will have to 10 along with them their oxygen，food，
clothing and shelter．
( )1．A．believe B．sure C．not sure D．asked
( )2．A．have B．provide C．offer D．need
( )3．A．1ike B．different from C．as D．so
( )4．A．much B．more C．1ittle． D．few
( )5．A．below B．above C．on D．under
( )6．A．water B．oxygen C．plants D．machines
( )7．A．In B．Through C．Across D．Over
( )8．A．is B．seems C．appears D．turns
( )9．A．days B．hours C．year