以下坐标输入格式中,()是输入相对极坐标的正确格式。
A.20,30
B.20<30
参考答案:B
第II卷(共23分)
第四部分:写作(共四节,满分23分)
第一节:单词拼写 (每小题0.5分,满分3分)
72. Many children s_________ to death every year in Africa because of the lack of food.
73. Without the teacher's p__________, you cannot play with the computer in our class.
74. Wu must keep the b_________ of nature.
75. We don’t have the p_________ to hear such an empty talk.
76. Don't be r________ to your friends. You should be friendly to each other.
77. As is known to all, smoking is h_________ to our health.
工器具及生产家具购置费的计算基础是 ______。
A.设备原价
B.设备购置费
C.材料费
D.进口设备抵岸价