可致体重增加的抗癫痫药为（） A.卡马西平 B.拉莫三嗪 C.苯巴比妥 D.苯妥英钠

从20世纪20年代到第二次世界大战结束，是市场营销学的（）时期。

A.初创

B.应用

C.逐步完善

D.形成和发展

在窗体上画一个命令按钮，然后编写如下事件过程；
Private Sub Command1_Click()
MsgBox Str(123+321)
End Sub
程序运行后，单击命令按钮，则在信息框中显示的提示信息为( )。

A．字符串“123+321”

B．字符串“444”

C．数值“444”

D．空白

The revision of the Uniform Customs and Practice for Documentary Credits is the sixth revision of the rules．It is the fruit of more than three years of work by (1) ．UCP 600 applies to any (2) when the text of the credit expressly indicates that it is subject to these rules．They are binding on all parties thereto unless expressly modified or excluded by the credit． (3) means the bank that advises the credit at the request of the issuing bank． (4) means the bank that issues a credit at the request of an applicant or on its own behalf．Article 14 describes the standard for examination of documents．Under UCP 600，the (5) must be made out in the same currency as the L/C．B/L may now allow transshipment，provided that the entire carriage is coved by one and the same bill of lading．

A．documentary bill

B．commercial invoice

C．commercial draft

D．pro forma invoice

彦某将一套住房分别委托甲、乙两家中介公司出售。钱某通过甲公司看中该房，但觉得房价太高。双方在看房前所签协议中约定了防“跳单”条款：钱某对甲公司的房源信息负保密义务，不得利用其信息撇开甲公司直接与房主签约，否则支付违约金。事后钱某又在乙公司发现同一房源，而房价比甲公司低得多。钱某通过乙公司买得该房，甲公司得知后提出异议。关于本案，下列哪些判断是错误的?

A.防“跳单”条款限制了消费者的自主选择权 

B.甲公司抬高房价侵害了消费者的公平交易权 

C.乙公司的行为属于不正当竞争行为 

D.钱某侵犯了甲公司的商业秘密

柴油发电机组不能启动的现象和原因有哪些？