Policymakers have yet to come to terms with its principal cause…
A、chief
B、urgent
C、major

引导线不可以用椭圆工具画出。

判断题引导线不可以用椭圆工具画出。

The fall in the number of deaths from heart disease is ...

问答题The fall in the number of deaths from heart disease is generally a(1) to improvements in diet.

阳戏音乐朴实明快，优美动听。表演上活泼轻快，具有浓郁的生活气息。  ...

判断题阳戏音乐朴实明快，优美动听。表演上活泼轻快，具有浓郁的生活气息。 
正确
错误