Paragraph: “Exercise has many benefits. It strengthens the heart and lungs. It helps control weight. It can also improve mood and sleep.” Which sentence is the topic sentence?
AIt helps control weight.
BExercise has many benefits.
CIt can also improve mood and sleep.
DIt strengthens the heart and lungs.
6.阅读理解(入学考试)困难
A study reported that students who slept at least eight hours scored higher on tests than those who slept less. The study included 5000 students from many schools and controlled for age and family income. Why does the author mention the size of the study and the controls?
ATo show that family income does not matter in life
BTo suggest that the study was too small
CTo prove that sleep is the only cause of good grades
DTo show the results are more trustworthy
7.医疗保健词汇(入学考试)中等
Choose the meaning of the word in bold: “The child had an abscess on her arm.”
AA collection of pus in the tissues
BA bruise under the skin
CAn open sore that will not heal properly
DA lump of fatty tissue
8.医疗保健词汇(入学考试)困难
Choose the meaning of the word in bold: “After the stroke, the patient’s gait was unsteady.”
AManner of walking
BClarity of speech
CStyle of handwriting
DPattern of breathing
9.英语语法与语言运用(入学考试)中等
Choose the correct word: “From her smile, I ___ that the news was good.”
Aimposed
Binferred
Cimplied
Dinflicted
10.英语语法与语言运用(入学考试)困难
Which sentence is punctuated correctly with an essential clause?
AThe medication that she needs, is out of stock.
BThe medication, that she needs is out of stock.
CThe medication, that she needs, is out of stock.
DThe medication that she needs is out of stock.
11.人体解剖学中等
下列哪个器官位于腹膜后?
A横结肠
B胃
C脾
D肾
12.人体解剖学困难
尿液离开集合管后依次经过哪些结构?
A肾大盏、肾小盏、肾盂、输尿管
B肾盂、肾小盏、肾大盏、输尿管
C肾小盏、肾盂、肾大盏、输尿管
D肾小盏、肾大盏、肾盂、输尿管
13.人体生理学中等
第一心音(S1)是由什么引起的?
A二尖瓣和三尖瓣关闭
B主动脉瓣开放
C血液充盈心房
D主动脉瓣和肺动脉瓣关闭
14.人体生理学困难
为什么乳糖酶缺乏的人喝牛奶后会腹泻和腹胀?
A乳糖直接损伤绒毛
B未消化的乳糖把水吸入肠道,并被结肠细菌发酵
C牛奶蛋白引发过敏反应
D乳糖吸收太快,使血糖升高
15.护理入学考试生物中等
Which stage of aerobic respiration produces the most ATP?
AGlycolysis in the cytoplasm
BThe electron transport chain
CFermentation
DThe Krebs cycle in the matrix
16.护理入学考试生物困难
Scientists put a human gene into bacteria to make a protein. Why do they use a DNA copy made from the mature mRNA instead of the gene taken straight from human DNA?
ABacteria cannot read human codons
BHuman DNA has no start codons
CBacteria cannot remove introns
DBacteria have no ribosomes
17.护理入学考试化学中等
What is the oxidation number of an element in its uncombined (elemental) form, such as Fe or O₂?
A+1
BIt equals the group number
C−1
D0
18.护理入学考试化学困难
In the reaction NaCl(aq) + AgNO₃(aq) → AgCl(s) + NaNO₃(aq), which ions are spectator ions?
The first sentence states the main idea, and the other three give supporting details (specific benefits).
答案
B · Exercise has many benefits.
6.阅读理解(入学考试)
答案: D · To show the results are more trustworthy
为什么是这个答案
A large sample and controls for other factors make the result more reliable. They do not prove sleep is the only cause.
答案
D · To show the results are more trustworthy
7.医疗保健词汇(入学考试)
答案: A · A collection of pus in the tissues
为什么是这个答案
An abscess is a swollen, painful pocket of pus caused by infection.
答案
A · A collection of pus in the tissues
8.医疗保健词汇(入学考试)
答案: A · Manner of walking
为什么是这个答案
Gait is the way a person walks, and an unsteady gait increases the risk of falls.
答案
A · Manner of walking
9.英语语法与语言运用(入学考试)
答案: B · inferred
为什么是这个答案
To infer is to draw a conclusion from clues. To imply is to suggest something without saying it, which is what the speaker does.
答案
B · inferred
10.英语语法与语言运用(入学考试)
答案: D · The medication that she needs is out of stock.
为什么是这个答案
“That she needs” identifies which medication is meant, so it is essential and is not set off with commas.
答案
D · The medication that she needs is out of stock.
11.人体解剖学
答案: D · 肾
为什么是这个答案
肾位于壁腹膜后方。胃、脾和横结肠是腹膜内位器官,有系膜或韧带。
答案
D · 肾
12.人体解剖学
答案: D · 肾小盏、肾大盏、肾盂、输尿管
为什么是这个答案
集合管开口于肾乳头进入肾小盏,肾小盏汇合成肾大盏,再注入肾盂,然后进入输尿管。
答案
D · 肾小盏、肾大盏、肾盂、输尿管
13.人体生理学
答案: A · 二尖瓣和三尖瓣关闭
为什么是这个答案
S1("lub")由收缩期开始时房室瓣关闭引起。S2("dub")是半月瓣关闭。
答案
A · 二尖瓣和三尖瓣关闭
14.人体生理学
答案: B · 未消化的乳糖把水吸入肠道,并被结肠细菌发酵
为什么是这个答案
未被吸收的乳糖产生渗透作用,把水拉入肠腔。结肠细菌将其发酵,产生气体和短链脂肪酸。
答案
B · 未消化的乳糖把水吸入肠道,并被结肠细菌发酵
15.护理入学考试生物
答案: B · The electron transport chain
为什么是这个答案
Glycolysis and the Krebs cycle make only a few ATP each. Most ATP is made in the electron transport chain, where energy from electrons drives ATP synthase in the inner mitochondrial membrane.
答案
B · The electron transport chain
16.护理入学考试生物
答案: C · Bacteria cannot remove introns
为什么是这个答案
Human genes contain introns, which bacteria cannot splice out. A copy made from mature mRNA (cDNA) contains only the exons, so the bacteria can translate it correctly using the universal genetic code.
答案
C · Bacteria cannot remove introns
17.护理入学考试化学
答案: D · 0
为什么是这个答案
An element on its own has an oxidation number of 0, because there is no transfer or unequal sharing of electrons with a different element.
答案
D · 0
18.护理入学考试化学
答案: D · Na⁺ and NO₃⁻
为什么是这个答案
Ag⁺ and Cl⁻ combine to form the solid precipitate AgCl. Na⁺ and NO₃⁻ stay dissolved before and after, so they are spectators. The net ionic equation is Ag⁺ + Cl⁻ → AgCl.