第1题：
A. short
B. new
C. entire
D. good
第2题：
Which of the following statements in supported by the passage?
A．The sun shines constantly and gives out the same amount of energy every year．
B．The cause of the sun’S fluctuations is its loss of energy with each passing year
C．It is sure that the energy sent out by the sun will drop when more sun spots appear．
D．Fluctuations in weather pattems are the results of the pull of gravity．
第3题：
此题为判断题(对，错)。
第4题：
重组热点（hot spots of recombination）
第5题：
毕脱斑（bitot’s spots）
第6题：
The purpose of the writing is to ______.
A. promote scenic spots in Canada B. advertise for the sports in Banff
C. introduce tourist activities in Banff D. describe breathtaking views in Banff
第7题：
A lot of spots haven’t been （）(覆盖) paint.
第8题：
此题为判断题(对，错)。
第9题：
老年斑（age spots）产生的原因是什么？
第10题：
突变热点（hot spots of mutation）