读图，回答1—2题。 1．图示箭头中，代表近地面大气主要直接热源的是[ ] A．

同种生物个体之间只有竞争关系。                                    （    ）

B）根据句子意思，用括号中所给单词的适当形式填空。

小题1:My family live on the    ▲   (five) floor of the tall building.

小题2:— Why do you say Sandy does her homework    ▲   (careful)?

— Because she always makes many mistakes in her homework.

小题3:Yesterday I    ▲   （buy）a new dress at the Macy’s for my mum.

小题4:Today most students can go to high school for further    ▲   (educate) in our country.

小题5:You needn’t be frightened because these insects are completely    ▲   (harm).

Mark ______ a basketball game in the stadium that _______ 5000 people.

A．holds; is holding

B．is holding; holds

C．holds; holds

D．is holding; is holding

本题为不定项选择题，即每小题至少有一项是符合题意的；请找出恰当的选项。

张处长采用的这种领导方式可能有( )的积极作用。

A．下级乐意服从上级领导

B．下级能主动，积极地工作

C．行政人员能齐心协力地完成工作任务

D．决策具有民主性和开放性

我国2003年发行的未使用过的邮票