A.文字处理软件
B.电子表格软件
C.图形处理软件
D.课件制作软件
第1题
It is (believed)that trees can warn (each other) (to) danger by releasing (chemicals) into the air.
第2题
第3题
A.according to
B.as a result of
C.for reasons of
D.with the help of
第4题
A.A.When the results of an international test released, our country wasn' t in the top ten
B.B.When the results of an international test was released, our country wasn' t in the top ten
C.C.When the results of an international test were released, our country wasn' t in the top ten
D.D.When the result of international tests were released, our country wasn' t in the top ten
第5题
A.It follows a certain cycle.
B.It affects the growth of trees.
C.It has been increasing since the Ice Age.
D.It is determined by the chemicals in the air.
第6题
A.It affects the growth of trees.
B.It has been increasing since the Ice Age.
C.It is determined by the chemicals in the air.
D.It follows a certain cycle.
第7题
A.according to
B.as a result of
C.for reasons of
D.with the help of
第8题
A. according to B. as a result of C. for reasons of D. with the help of
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