2017届高考英语（重庆专用）二轮精练：选修9 unit2 period 1
<p> <span word="Unit">Unit</span> 2 <span word="Sailing">Sailing</span> <span word="the">the</span> <span word="oceans">oceans</span> <span word="Period">Period</span> 1 <span word="Warming">Warming</span> <span word="Up">Up</span>，<span word="Pre">Pre</span><span word="reading">reading</span> & <span word="Reading">Reading</span></p><p> 时间：45分钟</p><p> Ⅰ.介、副词填空</p><p> 1．<span word="The">The</span> <span word="voyages">voyages</span> <span word="of">of</span> <span word="travellers">travellers</span> <span word="before">before</span> <span word="the">the</span> 17<span word="th">th</span> <span word="century">century</span> <span word="show">show</span> <span word="that">that</span> <span word="they">they</span> <span word="were">were</span> <span word="not">not</span>________<span word="the">the</span> <span word="mercy">mercy</span>________<span word="the">the</span> <span word="sea">sea</span> <span word="even">even</span> <span word="though">though</span> <span word="they">they</span> <span word="did">did</span> <span word="not">not</span> <span word="have">have</span> <span word="modern">modern</span> <span word="navigational">navigational</span> <span word="aids">aids</span>.</p><p> 2．<span word="On">On</span> <span word="a">a</span> <span word="clear">clear</span> <span word="day">day</span> <span word="especially">especially</span> <span word="during">during</span> <span word="the">the</span> <span word="summer">summer</span> <span word="the">the</span> <span word="sailors">sailors</span> <span word="could">could</span> <span word="use">use</span> <span word="the">the</span> <span word="sun">sun</span> <span word="overhead">overhead</span>________<span word="midday">midday</span> <span word="to">to</span> <span word="navigate">navigate</span> <span word="by">by</span>.</p><p> 3．<span word="There">There</span> <span word="is">is</span> <span word="a">a</span> <span word="special">special</span> <span word="cloud">cloud</span> <span word="formation">formation</span> <span word="which">which</span> <span word="indicates">indicates</span> <span word="there">there</span> <span word="is">is</span> <span word="land">land</span> <span word="close">close</span>________.</p><p> 4．<span word="An">An</span> <span word="early">early</span> <span word="method">method</span> <span word="of">of</span> <span word="measuring">measuring</span> <span word="speed">speed</span> <span word="involved">involved</span> <span word="throwing">throwing</span> <span word="a">a</span> <span word="knotted">knotted</span> <span word="rope">rope</span> <span word="tied">tied</span>________<span word="a">a</span> <span word="log">log</span> <span word="over">over</span> <span word="the">the</span> <span word="side">side</span> <span word="of">of</span> <span word="the">the</span> <span word="ship">ship</span>.</p><p> 5．<span word="The">The</span> <span word="number">number</span> <span word="of">of</span> <span word="knots">knots</span> <span word="that">that</span> <span word="were">were</span> <span word="counted">counted</span>________<span word="a">a</span> <span word="fixed">fixed</span> <span word="period">period</span> <span word="of">of</span> <span word="time">time</span> <span word="gave">gave</span> <span word="the">the</span> <span word="speed">speed</span> <span word="of">of</span> <span word="the">the</span> <span word="ship">ship</span> <span word="in">in</span> <span word="nautical">nautical</span> <span word="miles">miles</span> <span word="per">per</span> <span word="hour">hour</span>.</p><p> 6．________<span word="this">this</span> <span word="way">way</span> <span word="the">the</span> <span word="ship">ship</span> <span word="could">could</span> <span word="set">set</span> <span word="a">a</span> <span word="straight">straight</span> <span word="course">course</span> <span word="even">even</span> <span word="in">in</span> <span word="the">the</span> <span word="middle">middle</span> <span word="of">of</span> <span word="the">the</span> <span word="ocean">ocean</span>.</p><p> 7．________， <span word="it">it</span> <span word="was">was</span> <span word="awkward">awkward</span> <span word="to">to</span> <span word="use">use</span> <span word="as">as</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="points">points</span> <span word="of">of</span> <span word="reference">reference</span> <span word="was">was</span> <span word="the">the</span> <span word="moving">moving</span> <span word="ship">ship</span> <span word="itself">itself</span>.</p><p> 8．<span word="As">As</span> <span word="the">the</span> <span word="ship">ship</span> <span word="rose">rose</span> <span word="and">and</span> <span word="plunged">plunged</span> <span word="in">in</span> <span word="the">the</span> <span word="waves">waves</span>, <span word="it">it</span> <span word="was">was</span>________<span word="difficult">difficult</span> <span word="to">to</span> <span word="be">be</span> <span word="accurate">accurate</span> <span word="with">with</span> <span word="any">any</span> <span word="reading">reading</span>.</p><p> 9．<span word="It">It</span> <span word="works">works</span>________<span word="measuring">measuring</span> <span word="the">the</span> <span word="angle">angle</span> <span word="between">between</span> <span word="two">two</span> <span word="fixed">fixed</span> <span word="objects">objects</span> <span word="outside">outside</span> <span word="the">the</span> <span word="ship">ship</span> <span word="using">using</span> <span word="two">two</span> <span word="mirrors">mirrors</span>.</p><p> 10．<span word="This">This</span> <span word="gave">gave</span> <span word="the">the</span> <span word="seamen">seamen</span> <span word="the">the</span> <span word="local">local</span> <span word="time">time</span> <span word="and">and</span> <span word="allowed">allowed</span> <span word="them">them</span> <span word="to">to</span> <span word="find">find</span> <span word="their">their</span> <span word="latitude">latitude</span>________<span word="sea">sea</span>.</p><p> 答案 1.<span word="at">at</span>；<span word="of">of</span> 2.<span word="in">in</span> 3.<span word="by">by</span> 4.<span word="to">to</span> 5.<span word="during">during</span> 6.<span word="In">In</span></p>
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