与雌激素有关的妇科肿瘤有______________、___________、__________。
参考答案:子宫肌瘤;子宫内膜癌;卵巢肿瘤
There is still a strong argument ________ mobile phones are a particular risk to children.
A.when
B.which
C.that
D.what
简述厚壁组织与厚角组织的异同点。