肉眼血尿反复发作，最常见于
A．急性肾小球肾炎B．狼疮性肾小球肾炎C．急进性肾小球肾炎D．过敏性紫癜肾炎E．IgA肾病
参考答案：E
－Do you have __________.?
－Yes. But they aren't ___________[ ]
A. enough potato chips; enough crispy
B. potato chips enough; enough crispy
C. enough potato chips; crispy enough
D. potato chips enough; crispy enough
填写下列植物组织的名称和功能．
A是______组织，具有______功能；
B是______组织，具有______功能；
C是______组织，具有______功能；
D是______组织，具有______功能．
