The living room is clean and tidy, with a dining table already _____ for a meal to be cooked.A．laidB

更多内容推荐

• 化简：x2x2-4•2+xx2-2x-1x-2-数学
• 1+112+122=______；1+112+122+1+122+132=______；1+112+122+1+122+132+1+132+142=______；由此猜想1+1n2+1(n+1)2=_
• 计算：①-4x4-4-12-x；②a2a-1-a-1；③(x+2x2-2-x-1x2-4x+4)•xx-4，其中x=1；④15×3520÷(-136)；⑤45+1220-515．-数学
• 计算下列各题．（1）(x+y)•x2x2-y2+y2y-x；（2）a+2-42-a（3）a2-b2a2b+ab2÷a2-2ab+b2ab•1(b-a)2；（4）(x+2x-2+4x2-4x+4)÷xx
• 先化简3x+3x2-1-2x-1，然后选择一个合适的你最喜欢的x的值，代入求值．-数学
• A small plane crashed into a hillside five miles east of the city, _________ all the four people on
• Tony is a quiet boy and he is accustomed ______ at meals, which is always appreciated.A．not to talkB
• 先化简代数式：(x+2x2-2x-1x-2)÷2x2-4，请你取一个x的值，求出此时代数式的值．-数学
• 化简题：（1）2x-64-4x+x2÷(x+3)×x2+x-63-x；（2）-(-a2b)2•(-b2a)3•(1ab)4•(2a3)；（3）2+3yx2-3yx-12x+y312x-y3；（4）3-
• 化简：（xx-y-2yx-y）•xyx-2y÷（1x+1y）-数学
• Before us lies the biggest room, ________with things like guns, dolls and old clothes.A．fillingB．fil
• _____ to try his fortune abroad, he left for America.A．Having determinedB．Being determinedC．Determin
• 先化简，再选择你喜欢的数代入求值：（m+2m2-2m-m-1m2-4m+4）÷m-4m．-数学
• 先化简后求值：（1+1a-1）÷（aa2-1-aa+1），其中a=14．-数学
• 先化简，再求值：3x2-xy9x2-6xy+y2，其中x=43，y=-23．-数学
• 计算（xx-2-xx+2）÷4x2-x的结果是（）A．1x+2B．-1x+2C．-1D．1-数学
• 先化简，再求值：6m2-9÷2m-3-mm+3，其中m=2．-数学
• 先化简，再求值：x•（1-1x）+xx2+3x•（x2-9），其中x=1005．-数学
• I stayed up late doing my homework yesterday, so I had trouble _____ up early this morning.A．getB．ge
• In the lecture, little Tom kept silent all the time unless _________ to express his opinion.A．he inv
• 当a=-3，b=2时，求代数式3a2-ab9a2-6ab+b2的值．-数学
• 先化简，再求代数式a+1a-3-a-3a+2÷a2-6a+9a2-4的值，其中a=6．-数学
• 计算：(1a+2-1a-2)÷4a2，并求出a=-1时的值．-数学
• 已知x-2y=0，求2x+yx2-2xy+y2•(x-y)的值．-数学
• The students were all standing by the swimming pool, ______ swimming suits.A．all of them wornB．all w
• 有这样一道题“计算x2-2x+1x2-1÷x-1x2+x-x的值，其中x=2005”．甲同学把条件“x=2005”错抄成”x=2050“，但他的计算结果也是正确的，你说这是怎么回事？试一试，你就会有收
• 先将(x+2x-2+4x2-4x+4)÷xx-2化简，然后请你选取一个你喜欢且又合理的x的值，求原式的值．-数学
• We’re conducting a nationwide survey of people’s reading habits. Would you have five minutes _______
• ________ deep down in the earth for thousands of years, the dead forest has rotted away and become c
• Though ______small talk, Roy managed to have lively conversation with strangers.A．lackedB．lacking o
• ___________ the man who lost the purse, Mike had to stay there longer.A．Not findingB．Not foundC．Not
• 先化简，再求值：(1+a1+a)÷(1-3a21-a2)•1a-1，其中a=-32-数学
• She was disappointed to see the beautiful coat _____ she had bought the day before ______ with a lot
• Do you mind _____ alone at home?A．Jane’s leavingB．Jane having leftC．Jane being leftD．Jane to be lef
• 先化简再求值：a-ba+2b÷a2-b2a2+4ab+4b2-1，其中a=b=1．-数学
• 先化简，再求值：2x-1-1x2-1•x2+2x+1x-1，其中x=3+1．-数学
• 先化简，再求值x2-xyx2÷(xy-yx)，其中x=2-2，y=2．-数学
• 当a=2时，求（4a2-1-2a2+a）÷1a-1的值．-数学
• This machine is very easy______. Anybody can learn to use it in a few minutes. A．operating B．to be o
• 先化简再求值：（1+b+b21-b）÷1+b1-b，其中b=3．-数学
• 先化简，再求值：a2-b2a-b÷(2+a2+b2ab)，其中a=2，b=1．-数学
• 若ab=-2，a+b=1，则1a+1b的值为______．-数学
• ___ an important decision more on emotion than on reason, you will regret it sooner or later.A．Based
• We are looking forward to seeing the new exam system_____ in the near future.A．to be carried outB．ca
• If ____unsolved, the problem of food safety may lead to more serious results.A．leftB．makingC．remaine
• Everyone hates ________ in public.A．to laugh atB．to laughC．being laughedD．being laughed at-高一英语
• 先化简后求值：x2x-2-4x-2，其中x=2-2．-数学
• 先化简，再求值：x-2x-1÷(x+1-3x-1)，其中x=-1．-数学
• 先化简，后求值：(3-xx+2)(x+2)，其中x=-32．-数学
• 先化简，后求值．（1）已知：x=-2，y=-1，求(xx-y-1)÷y2x+y•(x-x2x+y)的值．（2）a=12+3先化简a；再化简a2-2a+1a2-a的值（3）已知x+y=-5，xy=3，求