A:by; have been issued
B:with; have come into use
C:in; have come out
D:at; have come into being
读“某大陆海岸变迁示意图”, 图中海岸地带不能见到的地貌是
选出“晃”字正确的读音
①凤尾竹的影子,在洁白的粉墙上摇晃(huàng huǎng)____
②太阳光太强烈了,直晃(huàng huǎng)____我的眼睛。