Mandela met a lot of difficulties, he still fought for the equal rights of his people.
| A．Unless | B．Since |
| C．Even if | D．As if |
________，as long as I’m with nature，I don’t care.
| A．However tough the journey is |
| B．Whatever tough the journey is |
| C．However the journey is tough |
| D．Whatever the journey is tough |
—I wonder what makes you a successful manager.
—I ________ as a waiter for five years，which contributes a lot to my today’s work.
| A．serve | B．have served |
| C．had served | D．served |
The traffic rule says young children under the age of four and ________ less than 40 pounds must be in a child safety seat.
| A．being weighed | B．to weigh |
| C．weighed | D．weighing |
—What do you think of the 2013 Spring Festival Party?
—Well，great！But I don’t think much of ________ held last year.
| A．the one | B．it |
| C．one | D．which |
Due to the widespread ________ of this medical technology，more diseases can be discovered and treated at an early stage.
| A．presentation | B．application |
| C．qualification | D．appreciation |