• A. different labels
• B. windows and glass doors
• C. inland flooding
• D. early warning
• E. natural disaster
• F. a constant speed

When a hurricane arrives, fishermen are in great danger if they are at sea and do not get （）.

A．operated
B．occurred
C．opened
D．offered

A．collect enough data to analyze the living species on Earth.
B．enlarge an existing website of the living species on Earth.
C．work out an easy-to-use catalog of every living species on Earth.
D．add new information to the existing databases of the living species on Eart