This plant ____ electricity for the entire city.
A.duplicates
B.manufactures
C.yields
D.generates
A.duplicates
B.manufactures
C.yields
D.generates
Which of the following is INCORRECT concerning the mimosa plant?
A.The mimosa plant unfolds its leaves to get light.
B.The mimosa plant folds leaves to prevent water from losing at night.
C.The mimosa plant devises internal clocks in order to survive.
D.If the mimosa plant is placed in the dark, the internal clocks don"t work very well.
Which of the following statements is not true?
A.Some plant diseases may be caused by bacteria
B.Some plant diseases may be caused by pathogens.
C.Some plant diseases may be caused by fungus.
D.Symptoms are always helpful in identifying diseases.
The rainforests are home to one-third of the Earth's plant and animal species.
A.Y
B.N
C.NG
听力原文:Next Monday we'll go to plant trees.
A.
B.
C.
The typical conventional small power plant may take two years to build.
A.Y
B.N
C.NG
What is the Depression-era move according to the passage?
A.Workers at Kellogg's plant work two hours less every day.
B.Workers at Kellogg's plant get five dollars more every day.
C.Workers at Kellogg's plant get only five dollars each day.
D.Workers at Kellogg's plant work less and earn more.
A.Ants tap plant lice till a drop of honey comes out.
B.Ants take care of plant lice.
C.Ants get their food from plant.
D.Ants get honey from bees.
The second paragraph uses facts to develop the essential idea that ______.
A.a plant efficiently utilizes most of the water it absorbs
B.carbon dioxide is the essential substance needed for plant development
C.a plant needs more water than is found in its composition
D.the stronger the wind, the more the water vapor loss