清新：空气 正确选项为( )
A．高兴：开心B．郑重：答案C．肥沃：土地D．得意：生气
参考答案：C
治疗精血不足，视力减退者，宜选用的药物是（）
A.枸杞子
B.墨旱莲
C.蝉蜕
D.百合
E.沙参
China is no longer ________ a production base; it is also one of the most important consumer markets. [ ]
A. partly
B. merely
C. shortly
D. totally
