If we ______ take environmental problems seriously, the earth _______ worse and worse.A．don’t; will

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• If it ____rain tomorrow , we will go camping.A.don’t B. won’t C. doesn’t-八年级英语
• Sally took a photo of her friends while they ______ computer games.A．playedB．were playingC．had playe
• We’ll go shopping if it ________ rain tomorrow.A．don’t rainB．won’t rainC．isn’t rainingD．doesn’t rain
• 下列生物中，属于单细胞生物的是[]A．藻类植物B．肺炎双球菌C．霉菌D．肝炎病毒-八年级生物
• _____ the heavy snow, I can’t go to school today.A．Because ofB．AsC．BeingD．because-九年级英语
• Difficulties are nothing _____we are not afraid of them.A．forB．asC．ifD．whether-九年级英语
• If you hard, you a good grade in the exam.A．study, haveB．will study, will have,C．will study, haveD．s
• 生物种类多种多样，不仅有多细胞的，也有单细胞的，下列只有一个细胞的生物是[]A．松树B．马C．小麦D．草履虫-七年级生物
• Could you please tell me_____? [ ]A. where the Grand Central Station isB. how far the Grand Central
• 下列几种生物中，具有细胞结构的是A．①②③B．①②④C．①③④D．②③④-七年级生物
• I don’t know if mum a gift for me．If she one, I will be very happy．A．buys; buysB．buys; will buyC．wil
• The passengers’ (乘客) families were to keep calm as soon as they heard the bad news.A．too sadB．sad en
• .------Why are you so upset? ------______I said,they didn’t believe me.A．What B．WhichC．ThatD．Whateve
• 下列属于单细胞生物的是[]A．水绵B．变形虫C．水螅D．珊瑚-七年级生物
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• -- Can I join their club?-- I am afraid you will be refused __________ you’ve passed all their tests
• 下列四种单细胞生物中，不具有细胞核的是（）-七年级生物
• If there ______no buying and selling of animals, there ______no killing in nature.A．is, will beB．wil
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• —I don’t know if she________to the party. If she________ she’ll call me.A．will go, will goB．will go,
• We wanted to know_____. [ ]A. where did he live three years agoB. where he lived in three years befo
• He fell off the bike ________.A．while he rodeB．while he was ridingC．while he is ridingD．while on bi
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• 属于单细胞生物的是A．草履虫B．紫菜C．鼠妇D．流感病毒-七年级生物
• we’ll go to the zoo if ittomorrow.A. won’t rain B. don’t rain C. doesn’t rain-八年级英语
• If I _____ you, I _____ late for school this morning.A．were, wouldn’t beB．were, wouldn’tC．was, won’t
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• 下列各项中是单细胞生物的是[]A．草原上的绵羊B．海洋中的鲨鱼C．池塘中的衣藻D．花丛中的蜜蜂-七年级生物
• – No one likes a personnever cares for others. – I agree with you.A. whom B. who C. which-九年级英语
• While she _______ , she cut herself.A．was cookingB．cookedC．had cookedD．cooks-九年级英语
• 图为五种不同的生物，有关叙述正确的是A．除噬菌体外，都是单细胞生物B．除草履虫外，都有细胞壁C．除衣藻外，都营腐生生活D．除酵母菌外，都是生态系统消费者-七年级生物
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• If you ___________ him around, he ______________ mad at you.A．will follow; isB．follow; isC．will foll
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• —Do you know when he back tomorrow?—Sorry, I don’t know. When he back, I will tell you.A．comes; come
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• —Tomorrow is Sunday. What about going shopping together?—I will go I’m free.A. before B. if C. until
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• If it ________ rain tomorrow, we’ll go to the zoo.A．won’tB．doesn’tC．don’tD．isn’t-八年级英语
• 草履虫通过进行生殖。-七年级生物
• I’ll go to see the film with you if it ________ rain tomorrow.A．isn’tB．doesn’tC．won’tD．isn’t going t
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• 下列生物中不属于单细胞生物的是[]A．变形虫B．酵母菌C．衣藻D．噬菌体-七年级生物