Bring an extra pencil with you __________ something goes wrong with this one during the exam.
| A．in case | B．in case of |
| C．so that | D．in order that |
People who are infected with HIV are often looked down upon becausesocial _____ against the diseaseruns so deep.
| A．preference | B．conflict | C．prejudice | D．status |
In human, there is a possibility of____ such as fever and headachesif there is exposure to the virus.
| A．symptoms | B．circumstances | C．consequences | D．exhibitions |
Things like electronics, glass or other ____ objectsare often packed with an appropriate protective material to prevent damage.
| A．flexible | B．concrete | C．abnormal | D．fragile |
Shortly after publication, the book became ____ because of the writer’s repeated use of the negative word "nigger" to refer to the black Americans.
| A．universal | B．conventional | C．controversial | D．skeptical |
Nearly 200 people entered the area ______ to mine diamonds in 2000, and eventually had to be driven off by the police.
| A．irregularly | B．illegally | C．imperfectly | D．unusually |