According to the passage, some plant diseases can be prevented by A.killing pa
According to the passage, some plant diseases can be prevented by
A.killing parasites
B.inoculation
C.killing insects
D.improving growing conditions
According to the passage, some plant diseases can be prevented by
A.killing parasites
B.inoculation
C.killing insects
D.improving growing conditions
第1题
Which of the following statements is true according to the passage?
A.No more than five passengers were saved.
B.The author was seventy-four years old when he wrote about the accident
C.All of those passengers who jumped from the sinking ship died in the water.
D.Many of those passengers who threw themselves into the sea got on aboard the boat.
第2题
Which of the following statements is tree according to the passage?
A.No more than five passengers were saved.
B.The author was seventy-four years old when he wrote about the accident.
C.All of those passengers who jumped from the sinking ship died in the water.
D.Many of those passengers who threw themselves into the sea got on aboard the boat.
第5题