阅读理解(入学考试)
方法
- 先读问题,这样你就知道要找什么。
- 快速浏览短文,了解其主题和要点;第一句或最后一句往往会点明。
- 回到能回答该问题的那几行原文。
- 对于推断题,选择线索最有力支持的选项,而不是推得更远的选项。
- 对于标签和表格,应用所有适用于该情形的规则,并仔细完成小的计算。
公式表、每个专题的关键方法步骤和 16 道练习题,完整解答附在最后。
“Many people believe bulls are angered by the colour red. In fact, bulls cannot see red well. They react to the movement of the cape, not its colour.” What is the purpose of the passage?
“Luis looked at his watch, then at the long queue, then at his watch again. Finally, he sighed, stepped out of the line and walked to the self-service machine.” What most likely motivated Luis?
解出 x:14 − 5x = −46。
计算 1 1/3 ÷ 2 3/8。点击最简形式的答案。
心脏壁的哪一层含有心肌?
为什么移位的股骨颈骨折发生股骨头缺血性坏死的风险很高?
根据泊肃叶定律,如果一根小动脉的半径减半,其血流阻力:
心室不与心房同时收缩的主要原因是什么?
A tall pea plant could be TT or Tt. Which cross will best reveal its genotype?
A karyotype shows three copies of chromosome 21. Which condition does this indicate, and how many chromosomes does the person have?
Why do group 1 metals such as sodium react so easily?
Which list puts fluorine, chlorine and bromine in order of increasing electronegativity?
Choose the correct word: “She ___ the exam on her first try.”
Which sentence uses the past participle correctly?
What does the suffix -scopy mean, as in “colonoscopy”?
Choose the meaning of the word in bold: “The aetiology of the disease is still unknown.”
答案: A · To correct a common belief
The passage states a popular belief and then corrects it with facts, so its purpose is to correct a misconception.
答案: D · He was short of time.
Checking his watch repeatedly and leaving the long queue suggest he did not have time to wait.
答案: x = 12
解方程:对等式两边做同样的操作,直到 x 单独在一边。按相反的顺序撤销运算:先撤销加法或减法,再撤销乘法或除法。用分配律 a(x + b) = ax + ab 去掉括号,并把含 x 的项合并到一边。把答案代回去检验。
答案: 32/57
分数的乘除:先把带分数化成假分数(2 1/3 = 7/3)。乘法:分子乘分子,分母乘分母。除法:保留第一个分数,把 ÷ 改成 ×,并把第二个分数颠倒(乘以它的倒数)。约去公因数,把结果化成最简带分数。
答案: A · 心肌层
心肌层是厚厚的中间肌层。心内膜衬于心腔内面,心外膜覆盖外表面。
答案: A · 它撕裂了旋股内侧动脉的支持带支
股骨头主要由沿股骨颈走行的旋股内侧动脉支持带支供血。移位的股骨颈骨折会撕裂这些血管,股骨头可能因此坏死。
答案: A · 增加约 16 倍
阻力与 1/r⁴ 成正比,因此半径减半使阻力增加 2⁴ = 16 倍。这就是小动脉直径的微小变化能如此有力地控制血流的原因。
答案: C · 房室结处传导延迟
房室结传导缓慢(约 0.1 s 延迟),因此心房收缩能在心室去极化开始前完成心室充盈。
答案: C · Cross it with a short (tt) plant
In a test cross the unknown is crossed with a homozygous recessive. If any short offspring appear, the tall parent must be Tt; if all offspring are tall, it is very likely TT.
答案: A · Down syndrome, with 47 chromosomes
Trisomy 21 causes Down syndrome. It usually results from nondisjunction during meiosis, giving a gamete with an extra chromosome 21 and a zygote with 47 chromosomes.
答案: B · They have one outer electron that is easily lost
Group 1 atoms have one valence electron. Losing it is easy and gives a stable full shell, so they react readily, forming 1+ ions.
答案: B · Br < Cl < F
Electronegativity decreases going down a group because the outer shell is farther from the nucleus. Bromine is lowest of the three, fluorine highest.
答案: D · passed
“Passed” is the past tense of “pass”. “Past” is a noun, adjective or preposition referring to an earlier time, as in “in the past”.
答案: B · She has written three essays this term.
The past participle of “write” is “written”. “Wrote” is the simple past and is not used after “has”.
答案: B · Visual examination with an instrument
-scopy means viewing with a scope. Surgical repair is -plasty and removal is -ectomy.
答案: D · Cause or origin
Aetiology (US: etiology) is the cause or origin of a disease.
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