衣藻的叶绿体的形状。() ["带状","杯状","圆状","球状"]
程序设计中常用的运算类型有算术、逻辑和() ["移位","复合","关系","对象"]
下面哪种行为是破坏婚姻自由的行为() ["订立婚约","介绍对象","收取聘礼","包办婚姻"]
高级语言的基本数据类型是()。 ["变量、常量、标识符","顺序、循环和分支","数组、链表和堆栈","整型、实型和字符"]
黑猩猩的细胞色素C氨基酸的组成与人类细胞色素C的差别有多少?() ["0.0","11.0","14.0","45.0"]
选择第一划线位置的原则是什么?