[多选题]1月1日，甲出版社向乙发出一份新书价目表；1月2日，乙发出一封订购信，订购其中一套《明朝那些事儿》，要求1月10日前寄到；1月3日，乙发信取消订购。1月5日订购信到达甲处；1月6日，取消订购的信到达甲处，甲未予理睬，于1月7日将该书寄出；此书本应于1月10日前到达，但由于邮局的原因，于1月13日才到；乙见已超出自己所定期限，就未予理睬。甲久未见书款，遂向法院起诉。关于本案下列说法正确是（ ）。
A.甲发出新书价目表是要约邀请
B.乙发出的要约是不可撤销的要约，也无法撤回
C.由于书到达超过了乙指定的期限，因此，承诺无效
D.乙应当支付书款

[单项选择]白虎加人参汤证中"恶寒"的机制是（）
A. 风寒束表
B. 风热在表
C. 里阳虚
D. 表阳虚
E. 汗多肌腠空疏

[单项选择]患者，男，21岁，农民，近一月来上腹隐痛不适，解黑粪三天，多次手上，足趾皮疹。查中度贫血。首选的治疗药物是（）
A. 硫氯酚
B. 乙胺嗪
C. 吡喹酮
D. 甲苯达唑
E. 槟榔

[单项选择]某男，60岁。有慢性支气管炎及肺心病病史。近1周感冒后出现咳嗽、吐黄痰、心悸气短加重，神志清，血气分析在正常范围。下列哪种药物治疗是错误的
A. 抗生素
B. 止咳药
C. 祛痰药
D. 呼吸兴奋剂
E. 氨茶碱

[单选题]软母线档距测量过程中，下列不正确的是（）。
A.母线档距测量，应选择无风或微风的天气进行
B.测量人员在横梁上测量时，除系好安全带外还应系水平安全绳，拉尺人员用力不要过猛
C.档距测量宜采用全站仪
D.扩建工程可以根据现场情况采用金属尺子进行档距测量

[单项选择]Predictions of many robots in industry have yet come true. For ten years or more, manufacturers of big robots have explained how their machines can make industry more competitive and productive. The maker for (21) robots is over-supplied now, and the driving force of the robotics revolution is (22) to be with makers of machines that handle a few kilos at most.
"Heavy-robot manufacturers are in some difficulty (23) finding customers. They are offering big (24) just to get in the door. There has been a (25) growth everywhere in the numbers of robots, so we admit we are either deceiving (26) or that the market is slowly growing," said John Reekie, chairman of Colen Robotics. "The following things must happen (27) the robotics revolution to occur. We must achieve widespread robot literacy, (28) there has been a computer (29) program. There must be a robot policy. Finally, some kind of (30) <
A. ourselves
B. customers
C. companies
D. us