13. The novel or short story are the literary forms most typically called fiction.
* A is wrong. 主谓数的一致、连词。系动词为are, 说明主语应是复数的。而两个单数的名词用or连接时。仍为单数,只有用and 连接才成为复数。应改为and. 要点:and /but / or 划线时,要首先考虑。
14. various 是adj.
a variety of + n
15. Deciduous trees are those that shed all or nearly all of its leaves each year.
* C is wrong. 代词/数的一致。Its 是单数,此处代词指代的是复数trees, 应为their. 注意Nearly all 是对的。
16. The same molecular orderliness that makes crystals so easy to analyze mathematically makes them difficult using in the laboratory or the factory.
* D is wrong. Make +宾语+ adj +to do 是固定短语。
Add: Make +宾语+ 宾补,宾补只能是adj or n(词组)。
17. The cost of preparing and harvesting an acre of field corn is extremely high even though in the best of weather.
* D is wrong. Even though & even 的区别。Even though为连词后接从句,even是副词,后可接介词短语。
18. One of Phillis Wheatley’s earliest verses, composed in her teens, celebrates learning, redemption, and virtue, three principal themes of her work subsequent.
* D is wrong. 词序。 单个形容词修饰名词时,应放在名词前, 不能后置,应为 subsequent work.
19. on horseback 在马背上,骑马。 用on.是固定表达。
20. The basis concepts of systems engineering have been in use for centuries.
* A is wrong. 词性。Basis 是名词,而修饰concepts 应用形容词basic. 要点:base ,basic, basis的区别。
21. still more 是固定短语。 More still 是错的。
22. 固定短语: be responsible for.
be elected to +职务
at age+数词,“当多少岁时”
23. the first +n +从句或to do 是固定用法。
24. ( ) of staging a play that help the help the audience understand its structure and meaning.
A. Specific aspects B. When specific aspects
C. Specific aspects are D. There are specific aspects
* Answer is D. there be 结构。句中有that 引导的从句,说明前面应是主句。主句只剩介词短语,应在答案中选择主谓结构或there be 组成句子。C 系动词are与介词短语相联,语意不同。
25. ( ) depends on the density of both the object and the water.
A. An object floats whether or not B. Whether or not an object floats
C. Floating an object whether or not D. Whether or not a floating object
*Answer is B. 名词主从/主语。空格后depends为谓语动词,所缺为主语或主从,B为whether or not 引导的名词从句,可作主语,D中whether or not 后面不是句子。
26. From its innermost core to its corona. The sun has a structure typical of most star of its kind.
* C is wrong. Most +复数名词。
27. Several ancient cultures presented math in sentences from with little or no abbreviation or symbolism.
*C is wrong. 名词的数。名词作定语修饰后面的名词时,用单数而不用复数。应为sentence.
28. intension n.紧张
intense adj.强烈的, 剧烈的, 热切的, 热情的, 激烈的
29. continually 和always常与进行时连用表示“一贯如此”。EG:people are continually making financial decisions.