(本栏目内容，在学生用书中以活页形式分册装订！)
ⅰ.单项填空
1．young lions are less________than the adults，so it’s difficult for them to carry a heavy deer.
a．fierce b．powerful
c．secure d．brave
解析： 根据it’s difficult for them to carry a heavy deer可知，这里指小狮子的力气比较小，故选powerful(有力的)。fierce凶猛的；secure安全的，可靠的；brave勇敢的。
答案： b
2．________the passage，why is it important to protect the rainforest?
a．as a result of b．because of
c．with the help of d．according to
解析： according to按照，根据，符合句意。as a result of由于；because of因为；with the help of在……的帮助下。
答案： d
3．your parents have given you all the fact资源难易程度:★★★★★★★★★★★★★★★
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