The word "its" in the second paragraph refers toA.the nerve's.B.the blood's.C.the eye's.D.
The word "its" in the second paragraph refers to
A.the nerve's.
B.the blood's.
C.the eye's.
D.the retina's.
The word "its" in the second paragraph refers to
A.the nerve's.
B.the blood's.
C.the eye's.
D.the retina's.
第1题
The word "springs" in Paragraph 3 means
A.a small stream of water flowing naturally from the earth.
B.the season of the year, occurring between winter and summer.
C.the act or an instance of jumping or leaping.
D.a' length of metal wound around, which returns to its original shape after being pushed.
第2题
Which of the following is NOT directly mentioned in the passage?
A.A living thing may adapt in its structure.
B.An organism may adapt in its function;
C.A living creature may adapt in its genetic makeup.
D.A living organism may adapt in its sleeping habit.
第3题
When does the company sell most of its product G40?
A.In the summer.
B.In the autumn.
C.In the winter.
第4题
The word "strand" (the first sentence in the second paragraph) is closest in meaning to the word "______".
A.series
B.line
C.error
D.strength
第5题
When did VN-Index begin its declining trend?
A.Three years ago.
B.In early 2007.
C.Towards the end of 2007.
D.At the beginning of 2005.
第6题
A.It can measure the driver's alcohol level in the blood.
B.It bases its analysis on the driver's heartbeat.
C.It can quicken the driver's response to emergencies.
D.It monitors the signals transmitted from the driver% brain.
第7题
In the last sentence of the passage, the word "they" refers to
A.return privileges.
B.all the factors.
C.buyer and seller.
D.money.
第8题
Silver oxide,Ag2O,can decompose into its elements,Ag(S)and O2(g).(a)Write a balanced equation for this decomposition reaction.(b)Calculate theat 298K for the reaction.(c)Suppose Ag2O is decomposed at 298K in a closed container according to the reaction in part(a).What will be the pressure of O2(g)at equilibrium?(d)Suppose Ag2O is decomposed at 573K in a closed container according to the reaction in part(a).What will be the p ressure of O2(g)at equilibrium?
第9题
Which of the following can be inferred from the passage?
A.Few people will take drugs if they are allowed to.
B.The United States will be easily defeated if its citizens are allowed to take drugs.
C.It is a general practice to forbid drugs in different countries.
D.A majority of people will become addictive to drugs if they are allowed to take them.
第10题
The money, which enables these companies to go ahead with their projects, is
A.raised by the selling of shares in the companies
B.repaid to its original owners as soon as possible
C.raised by putting into circulation of the savings of individual overseas
D.invested in different companies on the Stock Exchange
第11题
Which of the following statements is INCORRECT?
A.The planet must be as big and heavy as the earth.
B.Proper conditions are essential to the existence of life.
C.Double stars can provide steady light and heat.
D.The distance between a planet and its sun should be right.