Now____ nationwide campaign has been launched in China to encourage people to adopt ____ low carbon

lifestyle. [ ]

A. a: the

B. a; a

C. the; the

D. the; a

What is the sea horse’s prehensile tail used for().

A. Propelling it through moving currents.

B. Grasping sea grass or coral to stabilize it.

C. Fending off attacks form predators.

D. Moving food to its mouth, like an elephant’s trunk.