(2013·大连24中模拟)Good health is the basis for students to ________ carry on with their studies and to do any other activity.

A．especially

B．dependently

C．effectively

D．reasonably

大豆蚜在东北地区的越冬虫态和场所为（）。

A、若蚜，大豆茎杆

B、成蚜，杂草丛中

C、卵，大豆落叶上

D、卵，鼠李的枝条芽腋或缝隙间