For detecting quicksand the author recommends______.
- A good eyesight
- B fast thinking
- C the use of a long pole
- D testing the surface with your shoe
For detecting quicksand the author recommends______.
[解析] 见第三段,探索杆或长棍可以用来测试流沙。
1、According to the passage,quicksand is
According to the passage,quicksand is usually found______.A on hillsidesB far inlandC near waterD on prairies
2、Vessel engaged in the launching or rec
Vessel engaged in the launching or recovery of aircraft is called().AA vessel restricted in her ability to maneuverBA vessel not under commandCA vessel constrained by her draughtDA vessel not under way
3、The author attributes the phenomenon o
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5、In the author's opinion, visual and sp
In the authors opinion, visual and spatial abilities are good for ______.AA) achieving ones objectsBB) mind and bodyCC) programming talents into the brainDD) imagination and communication
6、The author beght coffce for the old ma
The author beght coffce for the old man because ______.A She said nothing B She shouted at him C She called the agent D She threw the phone away