Question

Plants are very important living things. Life could not go on if there were no plants. This is   1  plants can make food from air, water and sunlight. Animals and men   2 make food from air, water and sunlight. Animals get their food by eating plants and animals   
 3   Therefore(因此), animals and  men need plants in order to   4  This is the reason(原因) why we find that there are so many plants around us.
If you look carefully at the plants around you   5   find that there are many kinds of plants. Some plants are large   6   others are small. Most plants are green..
Some plants have many small leaves. Others have only   7  large leaves. There are many kinds of leaves. Leaves are of  8    shapes(形状) and colors.
Leaves are also different in other ways. Some leaves have short leaf stalks(叶茎)while others have long leaf stalks. Still others have  9   stalks at all. The edges(边)of leaves are also different. Some leaves have smooth(光滑的)edges. Some have wave(波状的) edges    10   the teeth of saw(锯).

【小题1】

A．why B．because C．how D．that

【小题2】

A．don’t B．not C．cannot D．can

【小题3】

A．too B．either C．also D．already

【小题4】

A．eat B．live C．have D．get

【小题5】

A．are going to B．may C．certainly D．will

【小题6】

A．when B．yet C．and D．while

【小题7】

A．a little B．a few C．little D．few

【小题8】A. much          B. different         C. same            D the same

【小题9】

A．not B．none C．neither D．no

【小题10】

A．like B．as C．as if D．seem

Answer 1

【小题1】B
【小题2】C
【小题3】A
【小题4】B
【小题5】D
【小题6】D
【小题7】B
【小题8】B
【小题9】D
【小题10】A

解析【小题1】根据前后句子的关系为因果关系，故选B，表示因为的意思。
【小题2】根据上下文的内容可知答案为C，表示不能够做某事，故选C
【小题3】too 表示也时，位于句子末尾，故选A
【小题4】in order to ，表示为了做某事，根据上下文的意思，可知答案为B，表示生活的意思。
【小题5】在if 引导的从句中If you look carefully at the plants around you   5   find that there are many kinds of plants.如果主句为一般将来时，从句用一般现在时代替将来时。
【小题6】while 在此表示然而的意思，也含有与此同时的意思，故选D
【小题7】only a few ，表示只有一点点，故选B
【小题8】根据前文的内容，可知答案为B，表示不同的，故选B
【小题9】not ···at all ，表示一点儿也不，故选D
【小题10】like 表示像···一样，为介词，符合题意。