单项选择题A.It’s expensive to manufacture.B.it hasn’t been adequately tested.C.It damages car engines.D.it’s dangerous to transport.
单项选择题A.To enjoy some sunbathing.B.To take a hot bath.C.To get some sleep.D.To run downstairs and relax.
单项选择题A.To arouse students’ motivation for study.B.To be consulted on academic matters.C.To help students with their personal matters.D.To give tutorials in the office.
单项选择题A.Keep it away from heat, drafts, and humidity.B.Keep it as empty as possible.C.Wash its interior frequently.D.Set it regularly at zero degree.
单项选择题A.Language.B.Natural Sciences.C.Art.D.Physical culture.