【单选题】You'd better the water until it has been boiled.
【单选题】It's a windy day. You'd better the windows.
【单选题】两对连锁基因间的重组值等于10%,说明减数分裂时,发生交换的孢母细胞为 。( )
【判断题】如果一项会计信息被遗漏或错误表达时,会影响到信息使用者做出经济决策、使他们的判断受到影响,那这种信息就是重要的。( )
【单选题】You'd better the whole article at once.
【单选题】两对连锁基因间的交换值为 10% ,说明杂合体在减数分裂时两基因间发生交换的孢母细胞的百分率是( )。
【单选题】It's cold outside.You'd better the coat.