Water and salt are _____________(吸收) into our blood stream everyday.

Sea water _______ hundreds of chemicals, _______ salt．

1. A.
   contains; includes
2. B.
   contains; including
3. C.
   includes; contains
4. D.
   includes; containing

Sea water _____  many minerals, salt  _____.

Sea water _____  many minerals, salt  _____.

A．contains， included                     B．contains， including

C．includes， contained                    D．includes ， containing

Sea water__________hundreds of chemicals,__________salt.?

A.contains;includes

B.contains;including?

C.includes;contains

D.includes;containing?