“数字地球”是指把整个地球信息进行数字化后,由计算机网络来管理的技术系统。 [ ]
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Who goes to school earlier, ________________?[ ]
A. you and David
B. you with David
C. David and you
D. you or David
藜芦的功效是()
A.涌吐痰热宿食,引去湿热
B.涌吐,发泡
C.涌吐水饮,活血化瘀
D.涌吐风痰,杀虫疗癣
E.涌吐痰饮,截疟