更多"Experts know that portable devices "的相关试题:
[简答题]Experts know that portable devices emit radiation which affects those wavelengths which aircraft use for navigation and communication.
[单项选择]ExPerts know that a disaster is coming but they do not know when it will happen. They do know that it could cause a lot of (1) . They think it will be worse than a hurricane. The disaster they are (2) about is an earthquake.
There is a (3) in the earth’s crust. It is called the San Andreas Fault. The San Andreas Fault is in California. Many earthquakes happen (4) the San Andreas Fault. In 1989 there was a big earthquake on the fault. The earthquake was (5) the "Loma Prieta Earthquake". Many people were hurt or died. Many buildings were ruined. Lots of people (6) their homes. Roads and bridges were (7) damaged.
A large earthquake could happen in Southern California. Many (8) earthquakes have happened in the last year. Earthquake experts (9) that a large earthquake will happen there soon. They think a big earthquake will happen in the (10) few years.
The San A
A. lost
B. left
C. abandoned
D. missed
