Don't lose hope. Let's have ________ try. [ ]
A. other
B. another
C. the other
D. each
答案:B
教室周围的绿化布置,一定要保证教室内有良好的通风采光条件.______.
茎技节处对生双钩或单钩,表面紫红色、红棕色,断面外层棕红色,髓部疏松如海绵状的是()
A、鸡血藤
B、钩藤
c、首乌藤
D、皂荚刺
E、忍冬藤