下列哪种疾病不属于骨髓显像的适应证（）。
A.骨髓栓塞
B.股骨头无菌性坏死
C.特发性血小板减少性紫癜
D.恶性淋巴瘤
E.肿瘤骨转移
参考答案：C
Not only I but also Jane and Mary（）tired of having one examination after another.
A.is
B.are
C.am
D.be
氢气的优缺点分别有哪些？
