____ is our belief that improvements in health care will lead to a stronger, more prosperous economy.
| A．As | B．That | C．This | D．It |
The closer the blood relationship between two people, the closer they are in intelligence. If we take two unrelated people _____, their degree of intelligence might be completely different.
| A．at ease | B．at random | C．in the flesh | D．in many ways |
No matter how much time you spend planning a trip, things still _____ go wrong and air travel is no exception—from weather delays to lost luggage.
| A．deliberately | B．obviously | C．originally | D．occasionally |
Vehicle designers are well aware that they need to ______ the idea of cars that have a low environmental impact.
| A．end up with | B．put up with | C．keep up with | D．come up with |
Glass is obviously a wiser choice for the plate as it can easily be recycled and does not take hundreds of years to _____ like plastic.
| A．break off | B．break out | C．break down | D．break into |
Mike, whose ambition is to become a network engineer, was always ______from other boys by his programming ability.
| A．prevented | B．separated | C．benefited | D．distinguished |