壁纸裱糊时,找平层上的刷胶宽度应比壁纸宽出()左右。
A.10mm
B.30mm
C.50mm
D.60mm
参考答案:B
—Was it here________the people shouted______ chorus“Long live the King!”?
—Yes, that’s right.
A.where; at
B.that; at
C.which; in
D.that; in
感染(又称传染)的概念是指
A.病原体侵入人体的过程B.病原体侵入人体的结果C.人体对病原体的杀灭过程D.病原体和人体之间相互作用的过程E.病原体寄生人体后引起的机体免疫系统的应答