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问题 填空题

药剂进入害虫身体，主要是通过（）三途径。对咀嚼式口器害虫玉米螟、凤蝶幼虫、菜青虫等应使用（）等，而对刺吸式口器害虫则应使用内吸剂。

答案

参考答案：口器、表皮和气孔；胃毒剂

判断题

在实际工作中，要注意掌握分寸，防止“过”或“不及”，这在哲学上属于把握事物的度。( )
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填空题

根据提示用适当的介词完成句子。

1.—Where are my books?

   —They're o________ the sofa.

2.—Where is your pen?

  —It's i________ the pencil case.

3.—Where are my shoes?

  —They're u________ the bed.

4.—Where is my cat?

   —It's b________ the door.

5.—Where is the telephone?

   —It's n________ to the sofa.

6.—Where are the CDs?

   —They're on the desk, b________ the books and the TV.

7. Their bookcase is n________ to the table.

8.—Is there a desk b________ the bed?

   —Yes, there's a desk next to the bed.

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