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【简答题】
：函数y=kx+b的图像过点(1，1)， 乙：k+6=1，则 ( ) A.A.甲是乙的充分必要条件 B.B.甲是乙的必要条件，但不是乙的充分条件 C.C.甲是乙的充分条件，但不是乙的必要条件 D.D.甲不是乙的充分条件，也不是乙的必要条件
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举一反三
【单选题】Xiao Ming and his parents are equipped with notebooks (with wireless network cards) for work and study, and they often have to surf the Internet at home. The correct way to finish this is to .
A.
Apply these two computers to the wireless Internet service provided by ISP respectively.
B.
Apply for the wired internet service provided by ISP, and realize the wireless Internet through the self provided wireless router.
C.
A ll possible places in the home are equipped with twisted pair Internet access port.
D.
Prepare a room for Internet use.
【单选题】The author's purpose in writing this passage is to ______.
A.
argue for teaching bright and not-so-bight pupils in the same class
B.
recommend pair work and group work for classroom activities
C.
offer advice on the proper use of the library
D.
emphasize the importance of appropriate formal classroom teaching
【多选题】直肠癌的静脉、淋巴扩散途径,下列正确的是
A.
淋巴转移只有当肿瘤侵犯到黏膜下层时才可能发生
B.
淋巴转移是直肠癌最主要的扩散途径
C.
向上转移是淋巴结转移的主要方向
D.
癌细胞可通过神经鞘扩展
E.
癌栓通过肠系膜下静脉、门静脉转移到肝和肺
【单选题】有关直肠癌静脉淋巴回流的叙述中，哪一项是错误的（）
A.
淋巴转移是直肠癌最主要的扩散途径
B.
淋巴转移只有当肿瘤侵犯到黏膜下层时才可能发生
C.
沿肠系膜下静脉周围淋巴结转移是淋巴转移的主要方向
D.
癌栓通过肠系膜下静脉、门静脉转移到肝及肺
E.
癌可通过神经鞘扩展
【单选题】The author's purpose of writing this passage is to ______.
A.
argue for teaching bright and not-so-bright pupils in the same class
B.
recommend pair work and group work for classroom activities
C.
offer advice on the proper use of the library
D.
emphasize the importance of appropriate formal classroom teaching
【单选题】按规定承办单位须向展馆提供公安消防机构审批批准的布展方案批文,提交时间应是()
A.
签署展馆租赁合同时
B.
开展前2个月
C.
开展前10-15天
D.
展会结束后备案
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