()的发展程度,往往标志着一个国家现代化科学技术发展水平和经济实力强弱的状况。
A、资源密集型企业
B、技术密集型企业
C、劳动密集型企业
D、知识密集型企业
参考答案:D
The programs of UNICEF have saved thousands of African children who would have died from hunger or disease.
A.instead
B.therefore
C.otherwise
D.moreover
溃疡性结肠炎患者的粪便可呈()
A.黏液便
B.脓血便
C.鲜血便
D.米泔水样便
E.柏油样便