She suffered from(　　)vitamin and(　　)to take supplements to improve her health.

The rescue team managed to save all the from the sinking ship.

The government implemented measures to ensure the safety of in areas affected by the natural disaster.

The country invested heavily in technology to enhance its defense capabilities.

We must act on the idea that lucid waters and lush mountains are invaluable assets, and maintain between humanity and nature.

It is not the first time that one of the company's famed self-driving cars has been in(　　)crash.