早期慢性支气管炎肺部X线表现是：（）

[单选题]All of our export dangerous goods are（）the standard.

[单选题]Does everyone in your office always agree all the time？ When someone makes a suggestion， does everyone just smile and nod in agreement？ When you bring forward an idea， do people just accept t？ Well， if you answered yes" to any of these questions， you are in an extremely unusual workplace. People are people. And people butt heads.They disagree， they argue， and they fight. You can’t get around it. But you can learn to deal with it To hold your own， you need to learn how to argue effectively. If you’ve got an opinion， you need to defend it. And if you have a problem with something a colleague has done， you need to let tem know. This can make for some difficult discussions and meetings， but this is just a part of life and business skills. So how can you argue effectively？ Well， you need several. You need several skills to（）.

[单选题]Which of the following steps should normally be taken first by those who have boarded a liferaft in an emergency situation?（）

[单选题]某农业企业发行总额为500万元的5年期债券，票面利率为10%，发行费用率为5%。假设企业所得税率为25%，则该债券的资金成本为()。

[名词解释题]种子休眠

[单选题]用双胶片进行射线照相，要装两张不同感光速度的胶片，其选片原则是：两种胶片的特性曲线：（）

[单选题]下列有关尿干化学试带反应原理正确的是（）

[填空题]在办理通过进路时，正线出站信号机的接近区段是由同方向的（）起至该出站信号机止。

[判断题]纳税人兼营卷烟批发和零售业务的，应当分别核算批发和零售环节的销售额、销售数量；未分别核算批发和零售环节销售额、销售数量的，按照全部销售额、销售数量计征零售环节消费税。

[单选题]凡在坠落高度基准面2 m以上（含2 m)有可能坠落的高处进行的作业称为高处作业。高处作业高度计算方法示例如下图所示应为（）。