下列认识正确的是

【名词&注释】

非洲国家(african countries)、化学物质(chemicals)、高尔夫球(golf)、殖民统治(colonial rule)、纳米比亚(namibia)、有害化学成分(harmful chemical components)、万隆会议(bandung conference)、苏伊士运河(suez canal)

[单选题]下列认识正确的是

A. 天然物质都是无毒的
B. 金属铁是一定黑色的
C. 化学物质都是有毒的
D. 杜绝生产含有害化学成分^{(harmful chemical components)}的食品

查看答案&解析查看所有试题

学习资料：

[单选题]A new cinema ______ in the city last year.

A. built
B. was built
C. was building
D. is built

[单选题]西方列强的殖民统治，不仅使非洲国家失去了经济资源，也使非洲国家失去了政治尊严，那就是民族的独立和平等。下列史实标志着非洲国家最终找回“政治尊严”的是

A. 万隆会议^{(bandung conference)}的召开
B. 埃及收回苏伊士运河^{(suez canal)}
C. 1960年，非洲17个国家独立
D. 纳米比亚独立

[单选题]（ ）–How long have you __________ this book?–For three days.

A. borrowed
B. kept
C. lent
D. bought

[单选题]30． Which of the following statements is TRUE?

A. Mr Jackson was so angry that he wanted to kill the ants．
B. Mr Jackson often fails in hitting the ball when he-s playing golf．
C. Mr Jackson can't learn golf well and wants to give up．
D. Mr Jackson spends too much money playing golf．

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