题目

The doctor examined the patient carefully, only_____ she was not seriously ill. A. found           B. to find          C. finding      D. to be found   答案：B含羞草的部分小叶受到震动后会合拢下垂，这是（    ） A．生物的生长B．生物对外界刺激做出反应 C．生物进行呼吸 D．生物的发育