梵蒂冈的国土面积只有0.44平方千米,它的百万分之一近似于 [ ]
A.一间教室的面积
B.一块黑板的面积
C.一本数学课本的面积
D.一张讲桌的面积
答案:D
When ________ questions in class, one should answer them as clearly as possible.
A.asking
B.to ask
C.to be asked
D.asked
车前子具有的功效是()
A.利水渗湿,健脾止泻
B.利尿通淋,渗湿止泻
C.化湿行气,温中止泻
D.清热解毒,燥湿止泻
E.利水通淋,通经活血