俗话说“庄稼一枝花，全靠肥当家”。植物生长过程中需要量最多的无机盐分别是含______、_______、_______的无机盐。-七年级生物

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• ________ a mobile phone can you ring ______ you want to talk with anyway.A．Using; whoeverB．Only on;
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• This problem may lead to more serious ones if_______ unsolved.A．makingB．leftC．remainedD．keeping-高二英语
• If the weather is fine, we’ll go. If ______, ______.A．not; notB．no; noC．not; noD．no; not-高三英语
• Little ______ about his own safety, though he was in great danger himself.A．cared heB．he caredC．did
• Near the church _____ cottage. [ ]A. was such an old B. had a so old C. was such old a D. is so an o
• _____ to make a speech, he said he would be glad to.A．When askedB．When askingC．When he was askingD．W
• Out­­­­­­­­­ _____, with an apple in his hand．A．rushed the boyB．
• 如图，在甲乙两试管中分别放入等量的液体，甲试管中的液体为清水，乙试管中的液体为浓盐水。取两根大小相似的新鲜香菜，洗净，分别插入甲、乙两支试管中。在两试管的管口处用-七年级生物
• On top of the hill ______, whose style can be traced to the ages of the Roman Empire. A．there standi
• --- You can’t have enjoyed your picnic in the rain last Saturday, I’m afraid.--- On the contrary, we
• Not once ________ to Michael that he could one day become a top student in his class.A．occurred itB
• So far as I am concerned, he is a determined man and on no account ______ die easily.A．he says B．he
• Only when he apologizes for his rudeness _____ to him again.A．I will speakB．will I speakC．do I speak
• If _____ without following the doctor’s instructions, the medicine may have serious side effects. A．
• Only when _____ the painting _____ decide whether the painting is worth buying.A．he sees, he canB．do
• He failed the mid-term examination and only then________how much time he had wasted.A．he realizedB．d
• Not until he met with the difficulty _______ the importance of group work．A．he realizedB．did he real
• I live in the City of New York, on a small island of which _______.A．is the Statue of Liberty stand
• Only when _______ be possible to sign the papers.A．does the lawyer come with itB．the lawyer comes wi
• _____ can you get a better job in so competitive working places.A．Working hardB．Although you work h
• Only by doing what your soul is eager to do_______ your life something full of beautiful memories.A．
• So desperate _______ that no one could help another, each ________ to save himself and his animals.A
• How frequently _______, the works of Shakespeare always attract many people.A．performedB．performing
• It was announced that only when the terrible disease was under control ________ to return to their h
• Our shoes are of great variety and quality.________. Quickly buy it!A．Opportunity seldom knocks twic
• Only after Mary read her article a second time _____the spelling mistakes.A．did she noticeB．she noti
• Seldom ____ any mistakes during my past few years of working here. A．would I makeB．did I makeC．I did
• Not only ______, but Hunan TV’s reality show, Dad, Where Are We Going, also has made the stars and t
• Only when Jim was away from home _______ how nice his family was. A．did he realizeB．he realizedC．has
• Only with the greatest of luck _____to escape from the rising flood waters.A．managed sheB．she manage
• Only when the war was over _______ return to his hometowns．A．have the soldiersB．the soldiersC．the so
• ——Did you know any Chinese before you arrived in Beijing?——Never ________it, actually.A．had I learne
• The flowers his friend gave him will die unless _________ every day.A．wateringB．wateredC．is wateredD
• _______ I get a job will I have enough money to go to university.A．Only ifB．OnlyC．If onlyD．So long a
• _______ , his face as white as a sheet of paper.A．A boy rushing inB．In a boy rushedC．Rushed a boy in
• As your spoken English gets better, so ___ your written English.A．willB．doC．isD．has-高三英语
• I don’t know the restaurant，but it is ____ to be quite a good one.A．saidB．toldC．spokenD．talked-高二英语
• —Why didn’t you come for the meeting?—Only allowed by our manager.A．I could comeB．If I could comeC．w
• —It'snice.Neverbefore________suchaspecialdrink! —I'mgladyoulikeit.A．IhavehadB．IhadC．haveIh
• No sooner __________ these words than the warden hit him on the head with the soup spoon.A．did he sa
• Only when he got there _____how much damage had been caused.A．be realizedB．he had realizedC．had he r
• When ______ with any difficulty, you should not give up easily.A．facingB．facedC．to faceD．being faced
• Not until he received the invitation ________to attend the summit held in New York.A．did he decideB．
• We have been told that under no circumstances ___ the telephone in the office for personal affairs.A
• Not until all the fish died in the water _____ how serious the pollution was.A．did the villagers rea
• When_________why he was late, he made no answer.A．questionedB．questioningC．asking questionsD．questio
• Much of life today _____ the manners of everyday getting along: queuing, answering the phone, keepin
• ＿＿＿that we couldn’t catch up with him. A．So fast he ranB．So fast did he run C．So fast ran heD．Such f
• _______ homework did we have to do that we had no time to take a rest.A．So muchB．Too muchC．Too littl