【单选题】Unit 4 Part II Section B Task 3 17. Listen to the dialogue about art programs. Q: Why aren’t schools offering many art programs?
A.
Because they are expensive to offer.
B.
Because students are not interested in taking art.
C.
Because people see art as being a hobby.
D.
Because there are not enough teachers to teach art.
【判断题】双踪示波器中的电子开关的转换频率远大于被测量信号的频率时,双踪显示工作在“交替”方式。
【单选题】Either Jane or her friends will present (her, their) project.
【简答题】Jane told her not to worry about
where might be her son.
【单选题】当公路平曲线半径( )不设超高的最小半径时,应设缓和曲线。
【判断题】Jane told her not to worry about where might be her son.
【简答题】公路勘测规程规定,当平曲线半径小于不设超高的最小半径时,应设置(),其长度应不小于规定的长度。
【单选题】在Internet Explore的地址栏中输入了http:// 127.0.0.1,这指的是().
【判断题】Lizzy walked to see her sister Jane because her mother refused to let her go by carriage.
【多选题】下列说法正确的是( )。
B.
转角α<7°时,可以不设平曲线。< /div>
C.
三级 及三级以上公路,当半径小于不设超高最小半径时必须设置缓和曲线。