Ⅰ 中西书局精练与提高七年级第一学期英语答案 要第一学期的，不是第二学期的。
1-5 ACDAD 6-10ADCAB11-15 BADCD 16-20ACDCB21-25 BBCDC 26-30 ACADC31-35DDBAC 36-40 CABAD41-45 CBDAA 46-50 DBCBD51-55 BACCB 56-60 DCBBC61-65 ACAAB66-70 DCBBA71-75 CDFAE76. When she gets excited. / When something goes herway.77. She felt embarrassed / awkward.78. Not to do the “silly dance” inpublic.79. She will continue to sing. / She won’t stop singing.80. Beingoneself. / Being who he / she is.短文改错：. ... friend callingEmily. calling → called82. ... things that like ... 去掉that83.... what she asked ... asked后加for84. ... she hasborrowed! has → had85. ..., though she said ... though → but86. ... she couldremember ... could → couldn't或could后加not87.... made the list ... the → a88. ... gave them to ... them → it89. For mysurprise, ... For → To90. ... a dirt T-shirt. dirt → dirtyOne possibleversion:Dear Editor,Rubbish is now one of the main environmental problems.Withthe increasing population, more and more rubbish is proced every day and somerubbish does great harm to the environment: it pollutes the air, the soil andthe water. Today many cities are troubled by mountains of rubbish. It not onlyaffects our daily life but results in serious illnesses.We must find a betterway to deal with rubbish. First of all, rubbish should be put in differentplaces according to whether they can be recycled or not. Secondly, everybodymust realise that it is everybody's ty to keep the environment clean. Finally,I think that laws must be passed on how to deal with rubbish.Yours sincerely,Li Hua部分解析单项填空：21. D。havea(n) ... effect on sb. 对某人有…… 影响；growth在句中意为“成长”，是不可数名词，且其后有of children限定，表特指，故其前用the。22.C。根据答语中的Sorry 及表示转折的but可知，此处指“事情很紧急（urgent）”。concerned担心的；major 主要的；scary恐怖的，吓人的。23. A。hold 与the sports meet 之间是逻辑上的动宾关系，又根据the day after tomorrow 可知hold 这一动作尚未发生，故用不定式的一般式的被动语态作定语，修饰the sports meet。24. B。玛丽总是被鼓励去游泳的目的是增强腿部的“力量（strength）”。energy精力，活力；protection保护；position 位置。25. D。haveno choice but to do sth. 别无选择只能做某事；do nothing but do sth. 什么都不做，只是做某事