which give off light and heat

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• The sun ___us light and heat.A.give B.gives C.will give D.often give
• 英语题目.速回答1.The ___the air is from the ground ,the ___the air is ( )A higher up ;thinner B.lower ;thinner C higher up;denser 2.What gas is give off when an object is burnt ?( )A.Carbon dioxide B. Oxygen C.Hydrogen 3.Which statement is wrong ?( )A.Plants are important to life .B .Animals and man cannot live without plants .C. Plants can make food only from air and water .
• 填空：the sun gives life to men,animals and plants on the earth,it also give light and heat.it r___ in the east and g___ down in the west,when it rises,it's day and when it goes down ,it is n___,it's a great w___ and never gets tired of walking round and round over the sky day a___ night it g___ high up and above all things,w___the sun ,crops can;t g__ and animal and men can't live a___,so we can say i___there is no sun,there would be no the earth.请填空,并把
• 英语翻译Apple trees usually give fruit only after going through an inactive period when their leaves fall during cold months,but some apple trees can be fooled into believing they have gone through a change of season.To fool the trees,you just pull off the leaves.In a few weeks new leaves appear,and the trees produce flowers which later develope into apples.
• 1.Drinking water _______ excessive enamel of teeth to become brittle and to chip off,leaving a stained or mottled effect.(A) containing(B) in which containing(C) contains(D) that is contained2.Carbohydrates,_______ of the three principal constituents of food,form the bulk of the average human diet(A) are one(B) one that(C) one(D) which one3._______ the eye,a camera takes in rays of light that are reflected from an object and focuses the rays into an i
• A star is a great mass of burning gas.It gives off light and heat.翻译中文
• The sun gives off light and warmth,__makes it possible for plants to grow.A as B which
• We usually __ the heat before going to bed .A .give off B.turn down C.generate D.absorb
• ..Unless_____by credit card,please pay in cash.A.pay B.is paid C.paying D.paidTo achieve his heat's desire,he is racing the clock all the time.He is not the man_____he was two years ago.A.which B.that C.who D.whomYou can't help but hear commercials,every few minutes the program is interruped to give you one advertising_______A so on adn so forth B.more or less C.something or other D.sooner or later
• 单词变变脸1.He went ____(cross) the street to the hospital.2.Do you enjoy the ____ (city) clean and quiet streets?3.Please forget your worries ang ____ (relaxed).4.The sun give us light and ____ (heat).5.In fact,China has the ____ (many) people in the world.
• The sun ___us light and heat.A.give B.gives C.will give D.often give
• 在四边形ABCD中,AD\\BC,且AD＞BC,BC=6cm,P、Q分别从A、C同时出发,P以1cm\s的速度由A向D运动,Q以2cm\s