题目

 The gap between the bed and the wall is somewhat ______ for such a shelf. A.       tight                      B. short                        C. small                       D. narrow 答案：D小亮同学看远处的某点时，光路如图所示，下列有关小亮眼睛的说法正确的是（　　）A．小亮同学已患上近视眼B．小亮同学已患上远视眼C．需要佩戴用凸透镜制成的眼镜D．需要佩戴用凹透镜制成的眼镜