【单选题】患者,女,48岁。左乳无痛性包块1个月。查体:左乳可触及蚕豆大包块,表面粗糙,边缘不整,活动度差,包块表面皮肤有橘皮样改变,左腋下可触及黄豆大淋巴结,均无触痛。诊断:左乳腺肿瘤。选择血清中高表达的乳腺癌肿瘤标志
【多选题】以WEF为简称来称呼粮食、能源和水之间关系的部门和人,很可能是( )
【单选题】This meeting hall is____200 people. [ ]
【单选题】A great number of people were killed in the big fire, and the number of the people who _____ missing _______still increasing.
【单选题】将当前目录中的 myfile.txt 文件压缩成 myfile.txt.tar.gz 的命令为( )
A.
tar -cvf myfile.txt myfile.txt.tar.gz
B.
tar -zcvf myfile.txt myfile.txt.tar.gz
C.
tar -zcvf myfile.txt.tar.gz myfile.txt
D.
tar -cvf myfile.txt.tar.gz myfile.txt