cross 作动词用，“穿过，越过”的意思。主要表示在物体表面上横穿。如横过马路、过桥、过河等，与go across同义。

例如，Be careful when you cross the street.过马路时要小心。

          Cross (Go across )the bridge, and you will see a big buiding.

          过这座桥你就会看到一栋大楼。

          cross作名词用是“十字架，十字形饰物”的意思。

across是介词，有“横跨，横穿，穿越”之意。

  如，The Great Green Wall is across the northwest of China.绿色长城横跨中国西北。across与go/walk等动词连用表示“穿过，越过，横穿”的意思。与cross基本同义，也是表示从物体表面经过。

  例如，Go across the road , you will find the post office on your left.

     横过这条公路，你会发现邮局就在你的左边。

through是介词，“在...之中，透过”的意思，常与go,walk等动词连用，表示“穿越，横穿”等意思。主要表示从物体内部穿过。如穿过森林、隧洞等。

例如，The two friends were walking through the forest.这两个朋友正沿着森林走。

The sunlight comes through the glass.阳光透过玻璃。

 

另外：crossing 还可用作n. 人行横道,十字路口

 

练习：

1.         We must ________ the road very carefully.

2.         Before going _________ the road, you should look left first and then right.

3.         Look! The man is swimming _______ the lake.

4.         They drove _______ the street quickly, but the police caught them at last.

5.         ________ the street and you can get to the hotel.

6.         He _________ the road and then comes to the post office.

7.         Walk _______ the footbridge.

8.     Go _________ the bridge and you will see the station.

9.     You can’t _______ the road when the light is red.

10.     It’s dangerous to swim ________ the river.

11.     She walks _______ the road.

12.     Can you swim _______ the river?

13     The police led the old man ________ the street.

14.     We walked _________ the forest.

15.     Can the table go ________ the door?

16.     The stream winds _________ the village.

17.     I try to get into the room ________ the window because I can’t open the door.

18.     The tiger is jumping _______ the burning ring.

19.     Shall we walk ________ the field?

20 。 --- Can a plane fly                 the Atlantic Ocean ? (2011山东烟台）

           --- Yes, but it needs to go                 the clouds for hours .

           A. across ; through        B .through ; across

           C. across ; across           D.  through ; through

 

Keys ：

1. cross  2. across  3. across  4. across  5. Cross  6. crosses  7. across 

8. across  9. cross  10. across  11. across  12. across  13. across 

14. through  15. through  16. through  17. through  18. through  19. across     20 A