除哪一项外APUD细胞与下列肿瘤的发生有关（）
A.胰岛细胞腺瘤
B.甲状腺髓样癌
C.乳腺髓样癌
D.肾上腺髓质肿瘤
E.肺燕麦细胞癌
参考答案：C
Though the number of clothes factories there _____ small, a great number of clothes _____ made every
year.[ ]
A. is; are
B. are; is
C. are; are
D. is; is
什么是压力？表压、绝压、真空度三者关系？
