甲公司在2009年8月向A公司购买办公用品，货款已用银行存款支付，取得发票如下，在对

根据相关法律的规定，中标通知书发出后招标人与中标人订立合同前，招标文件要求中标人提交（）的，中标人应当提交。

A.履约违约金

B.履约保证金

C.招标服务费

D.投标保证金

单词拼写。

1. The output of the chemical plant reached an         (年度的) figure of one million tons.

2. Turtles          (遗弃) their eggs as soon as they lay them, leaving the young to survive by themselves.

3. You w         that accident yesterday. Could you describe it to the police?

4. This kind of mushroom is p         though it looks beautiful. Don't eat it!

5. The worker is showing them how to          (操纵) the machine.

6. He was so lazy that he did little p         for the exam.

7. The total i              of their family is 10,000 yuan per year.

8. What I need now is the          (安全) of a happy home.

8. The gate is too n         for the car, we'll have to walk through.

10. Tired as she was, she still          (陪伴) me to the doctor's .

此产妇目前子宫收缩情况是

A．子宫收缩不协调

B．子宫收缩过强

C．子宫收缩乏力-协调

D．子宫痉挛性狭窄环

E．继发宫缩乏力

某贸易公司职员肖某要去北京探亲，公司经理要求他为公司采购5台电脑，要求一定要买原装机，质量一定要好。肖某到北京后走亲访友，没有时间采购，于是找到其表弟杜某，请他代为购买并将公司经理的要求告诉杜某。杜某答应代为购买后找到自己做电脑生意的朋友刘某，对刘某说帮表哥买5台电脑。刘某给杜某组装了5台电脑，每台售价2万元，还给了杜某5000元好处费。刘某将电脑交给肖某，肖某未验货即将电脑运回贸易公司。公司使用后发现电脑并非原装机，质量低劣，市场价每台仅售1万元左右。贸易公司的损失应由谁承担

A．肖某承担

B．肖某和杜某连带承担

C．刘某承担

D．杜某和刘某连带承担

除哪一项外，其余均是近视形成的重要原因（）

A.躺着看书

B.看书时间过长

C.看书时与眼的距离过近

D.在适度的光线下看书