题目

The style of Western art has changed a lot with time going by. Because there are many different ____61______( style ) of Western art, we can’t describe them all in such a short passage. During the Middle Ages, the main aim ___62___ the painters was to represent religious themes. Artists were not only ______63______( interest) in creating respect and love for God and paintings from this period are full of _____64______( religion) symbols. People in the Renaissance became concentrated ____65___ on humans and less on religion. They painted people and nature in a realistic style. In the 海带是一种藻类植物，含有丰富的碘，海水中也含有较多的碘，但远不及海带中含量高，海带能不断吸收海水中的碘，这主要与哪种结构控制物质出入细胞有关（   ）        A．细胞壁               B．细胞膜                     C．细胞质              D．细胞核