英语专业四级考试每日一练:语法词汇训练(20)

　　1. The mother said she would __ her son washing the dishes if he could finish his assignment before supper.

　　A let down

　　B let alone

　　C let off

　　D let out

　　2. This kind of material can __ heat and moisture.

　　A delete

　　B compel

　　C constrain

　　D repel

　　3. Understanding the cultural habits of another nation, especially __ containing as many different subcultures as the United States, is a complex task.

　　A one

　　B the one

　　C that

　　D such

　　4. In order to raise money, Aunt Nicola had to __ with some of her most treasured possessions.

　　A divide

　　B separate

　　C part

　　D abandon

　　5. The new appointment of our president __ from the very beginning of next semester.

　　A takes effect

　　B takes part

　　C takes place

　　D takes turns

　　答案：

　　1-5 CDACA

　　1. 选C ①let off原谅，不处罚，放过With your record, you can hardly expect to let off lightly.

　　②let down使失望，食言③let alone别管，别烦Let her alone! She didnt pick a quarrel with you.④let out让离开Open the door and let the cat out.

　　2. 选D ①delete消去，删除Delete his name from the list of applicants.②compel强迫，迫使(运用权利/力量对方采取行动)He was compelled by illness to give up his studies.③constrain 限制，约束(强调内心情感)，后接不定式His activities must be constrained.④repel排斥，抵制，防，抗We should not repel but protect young peoples enthusiasm.

　　3.选A 依语意以句子结构，此处需要一个代词，表泛指，则选one;而the one表特指Please get the chair for me, the one in the corner.

　　4.选C ①part 不及物动词 分别，离别Scarcely an hour has passed since we parted.②divide分，划分Is the land to be divided up or sold as a whole?③separate使分离④abandon抛弃，放弃The order was given to abandon ship.

　　5.①take effect(药物)见效，(法律等)生效The new system of taxation will take effect next May.②take part参加③take place发生，举行④take turns轮流，依次They are unwilling to take turns at the same computer.