55. The kitchen floor has to be （scrubbed， scraped） every other day.
Scrub： to rub something hard， especially with a stiff brush， in order to clean it
Scrape： to rub against a rough surface in a way that causes slight damage or injury， or to make something do this
56. Every night before he went to bed， he （made a point， made a plan） of checking all the doors and windows.
Made a point： to do something deliberately， even when it involves making a special effort
Made a plan： plan to do something
57. Students of English are required to （remember， memorize） the listed 2000 words.
Remember： to have a picture or idea in your mind of people， events， places etc from the past
Memorize： to learn words， music etc so that you know them perfectly
58. You should not be （intolerable， intolerant） of different religious beliefs.
Intolerable： too difficult， bad， annoying etc for you to accept or deal with（句子主语表示动作的对象）
Intolerant： not willing to accept ways of thinking and behaving that are different from your own
59. He tried to （infuse， fill） the awkward situation with humor.
Infuse： （formal） to fill something or someone with a particular feeling or quality（表抽象）跟with搭配
Fill： if a container or place fills， or if you fill it， enough of something goes into it to make it full（表具体）
60. We have a sense of working towards a （common， ordinary） goal.
Common： common aims， beliefs， ideas etc are shared by several people or groups（这是common特有的意思表示共同的）
Ordinary： average， common， or usual， not different or special
61. The virus can only be transmitted through （familiar， intimate） contact.
Familiar： someone or something that is familiar is well-known to you and easy to recognize
Intimate： relating to sex（在本句中的意思） ；Private and friendly so that you feel comfortable
62. It suddenly （happened， occurred） to him that he had worked for twelve hours without eating anything.
Happen： if you happen to do something， you do it by chance
Occur： if an idea or thought occurs to you， it suddenly comes into your mind
63. The students waited in （respectable， respectful） silence for the Noble Prize winner to make his speech.
Respectable： someone who is respectable behaves in a way that is considered socially acceptable
Respectful： feeling or showing respect
64. The children suffer most when their parents （divide， separate）。
Divide： if something divides， or if you divide it， it separates into two or more parts
Separate： if two people who are married or have been living together separate， they start to live apart
65. The teacher （allotted， divided） the children into several small groups for the trip to the Palace Museum.
Allot： to use a particular amount of time for something， or give a particular share of money， space etc to someone or something
Divide： if something divides， or if you divide it， it separates into two or more parts
66. Around mid-night， she received a （mysterious， miraculous） phone call from someone she did not know of.
Mysterious： mysterious events or situations are difficult to explain or understand
Miraculous： very good， completely unexpected， and often very lucky
67. Do you think soil samples are （obtainable， absorbable） from the Mars by an unmanned aircraft in the near future？
Obtainable： able to be obtained
Absorbable：可吸收的，容易吸收的
68. She was so dear to him that he still kept her picture in a （preeminent， prominent） position on his desk.
Preeminent：优秀超群的
Prominent： something that is in a prominent place is easily seen
69. Soft background music will （enhance， increase） a delicious meal.
Enhance： to improve something
Increase： if you increase something， or if it increases， it becomes bigger in amount， number， or degree
70. He was so disappointed when the manager said that his plan was completely （dismissible， disposable）。
Dismissible： not deserving to be considered
Disposable： intended to be used once or for a short time and then thrown（一次性） available to be used（可再生的）
71. The baby-sitter kept the kids （accompanied， company） until we got back from the theater.
Accompany： to go somewhere with someone
Company：固定搭配keep… company= be with her so that she doesn't feel lonely与谁做伴