A.By studying the signs around them with eyes and brains.B.By changing the weather.C.B
A.By studying the signs around them with eyes and brains.
B.By changing the weather.
C.By controlling the weather.
D.By listening to others' advice.
A.By studying the signs around them with eyes and brains.
B.By changing the weather.
C.By controlling the weather.
D.By listening to others' advice.
第1题
A.By using satellite images, maps, etc.
B.By studying specific fanning methods.
C.By studying the variation of human population.
D.By analyzing the quality of crops.
第2题
A.By talking to everybody.
B.By studying American history.
C.By putting a number on it.
D.By making a guess at this.
第3题
A.By using satellite images, maps, etc.
B.By studying specific farming methods.
C.By studying the variation of human population.
D.By analyzing the quality of crops.
第4题
A.By learning English alone.
B.By learning English hard before test.
C.By studying at her spare time.
D.By learning a little regularly.
第5题
A.By using satellite images, maps, etc.
B.By studying specific {arming methods.
C.By studying the variation of human population.
D.By analyzing the quality of crops.
第6题
A.By observing the ordinary ones that have already erupted.
B.By studying the larger part of a volcano hidden underground.
C.By tapping their potential of imagination.
D.By resorting to past information and modem technology.
第7题
【C13】
A.by no means
B.partly
C.insufficiently
D.completely
第8题
A.By e-mail.
B.By sending her fax.
C.By calling her.
D.By visiting her.
第9题
A.By attending lectures.
B.By surfing on the internet.
C.By watching TV programs.
D.By preparing for a presentation.