不属于恶性肿瘤的是()
A.黑色素瘤
B.淋巴瘤
C.尤文瘤
D.多形性腺瘤
E.骨髓瘤
参考答案:D
在人类进化发展过程中,人的______变化是最显著的.
_______ our classroom _______ a big tree. [ ]
A. In front of; is
B. In front of; are
C. In the front of; are
D. In the front of; is