【简答题】Work in pairs. Practise a conversation acoording to the following situation and upload your recording and script. speaking task 1.docx
【单选题】中小学生参加课余体育锻炼必须遵循的原则是( )
【单选题】《论语 ·阳货》中有“子之武城闻弦歌之声”的记载,说的是( )。
【单选题】在某地同一地点发生两件事,静止位于该地的甲测得时间间隔为 4 s ,乙相对于甲以 0.6c的速度 作匀速直线运动,则乙测得这两事件的时间间隔为
【简答题】Task 2 Work in pairs. Discuss with your partner and match the following quality symbols with their corresponding products.
【单选题】A commercial bank __________.
A.
is a not-for-profit institution
B.
serves businesses, whereas a non-commercial bank serves individuals
C.
must have a charter, or license, from either the federal government or a state government
D.
must be a member of the FDIC
【判断题】电容器选型,其额定电压按交流电路的有效值考虑。
【简答题】磷的营养临界期一般在作物生长早期,如小麦在 ,棉花在 ,油菜在 。