题目

Ⅱ 语言知识及应用 (共两节，满分35分) 第一节 完形填空 (共10小题；每小题2分，满分20分)     阅读下面短文，掌握其大意，然后从21—30各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。 One Sunday, Cody decided to go sailing in his boat with his friends Dane, but Dane happened to be away. Dane’s brother Brett wanted to go instead    21    he did not know anything about sailing. Cody     22    and they set out to sea. Soon they     23     themselves in a thick fog(雾). Cody was sur9．下面关于神经元结构的说法，错误的是（　　）A．基本结构是细胞质、细胞膜和细胞核B．其细胞体都集中在脑和脊髓中C．神经元轴突末梢可形成多个分叉D．一般说来其树突数比轴突要多