（1）计算：80+(2-3)-1+12；（2）计算：aa-2-2a-2．-数学

更多内容推荐

• Before the tourists set off , they spent much time setting a limit _____ the expenses of the trip.A．
• Years of war has left the country _____.A．in fearB．in silenceC．in peaceD．in ruins-高一英语
• Modern equipment and no smoking are two of the things I like ______ working here. But whether to sta
• — Look! The window is broken. Someone broke it _____ purpose. — That may be right. But perhaps it wa
• .My son was _______ to me when my husband was badly ill.great comfort B. a great comfort C. greatly
• he boy made the same mistakes ________，which，of course，made his parents very angry.[ ]A．over and ove
• It is generally believed that reading is______it is ascience. [ ]A. an art much asB. much an art asC
• His report was so exciting that it was_____ interrupted by applause (掌声).[ ]A. constantly B. constan
• The Well Hotel stands in a quiet place ________ the main road at the far end of the lake.[ ]A. toB.
• The president has told his friends that he is sick but will not admit it _____.A．in privateB．in secr
• 计算（1）32+3-22-33（2）23-1+27-(3-1)0．-数学
• Wangwei soon became interested cycling.A．inB．toC．atD．from-高一英语
• To change attitude employing women, government is bringing in new laws.A．aboutB．ofC．towardsD．on-高一英语
• The most frightening words in English languages, as it is, are "Out computer is ______________.
• You need to take your job _____ if you want to keep it.A．curiouslyB．seriouslyC．nervouslyD．humorously
• He sent me a bunch of flowers and I sent him a basket of fresh apples ________. [ ]A. in chargeB. in
• I would have paid _____for the dress if the sales girl had insisted, because I really wanted it. [ ]
• Payment may be made in any of the following ways, _____ cash, ____ cheque, or _____ credit card.A．by
• He got to the bus station early, _____ missing the first bus .A．in case ofB．instead ofC．for fear ofD
• 计算：（-2）-2-22sin45°+（-1）2000-3-8÷2-数学
• Tell your friends that you are concernedhim.A．aboutB．withC．toD．in-高一英语
• 计算(2-3)0+|-2+1|-cos45°-(2)-1．-数学
• Nowadays in China many teenagers have no dream _________to be an astronaut and fly to the moon.A．rat
• 计算：12-3-27-(23-1)0．-数学
• The sense of beauty that Zhouzhuang gave me lies in its pace of life, which ____ remains her own sen
• ________cleaning the yard and making up the beds for the old，we also read newspapers for them and ha
• ________ the fact that they were in trouble, they still managed to help us with some money. A．In spi
• 计算：(16)-1-3tan30°+27+(π-1)0．-数学
• Michelle shows a very positive attitude ______ her work.A．withB．towardsC．ofD．about-高一英语
• ---My daughter nearly set the chicken on fire when cooking some dishes.---You can’t stress ______the
• 计算：38-（π-2）0+（12）-2-（-1）2013-|-2|+cos60°．-数学
• Drivers should be especially careful near schools, where there are _____ to be many children.A．poss
• The man，suspected________having stolen the jewels of the shop，was missing last night，although he was
• Hobbies offer knowledge and relaxation. ___, they help improve one’s mental and physical health.37.a
• Atomic energy has _____ many uses, either as fuel or as radiation, _____ it is almost impossible to
• Despite all the benefits of building the subway in the city center, only a few people argued ______
• ________, I'm glad you made that mistake, for it will serve as a warning to you.A．In caseB．In a
• The parents were in search _______ their son who was lost when the two countries were ______ war.A．o
• （1）计算：2-1+9-2cos60°（2）化简：x2-1x+2÷(1x+2-1)．-数学
• 下列等式正确的是（）A．（-1）0=0B．（-1）-1=1C．2x-3=12x3D．x2y-2（-2）0=x2y2-数学
• 计算：（3-1）2+23+1+12-（5-3）0•（cos60°）-1______．-数学
• (2-1)0=______．-数学
• With everything ________, the teacher started the slide show.A．in the place ofB．in placesC．in the pl
• He has _____ little education that he finds it impossible for him to be equal to ____ important a ta
• To understand the grammar of the sentence, you must break it ________ into parts.[ ]A. downB. upC. o
• 计算tan45°+12-4sin60°-（-3）0-数学
• 计算：|-2|+3sin30°-2-1-（3-π）0．-数学
• His reactionthe news is surprisingly calm.A．to B．of C．at D．on-高一英语
• Silk from China found its way to India, the Middle East and Rome,spices(香料) and glass, which was not
• 计算（-23）-2=（）A．-49B．49C．-94D．94-数学