| Organic farmers had fought to prevent
genetically-engineered crops from being{{U}} (67) {{/U}} organic,
and it could{{U}} (68) {{/U}}for them. Plants genetically{{U}} (69)
{{/U}}to resist insects and other pests {{U}} (70) {{/U}}about
15-percent of United States crop production, but it has become a{{U}} (71)
{{/U}}15-percent. Several European countries are refusing to{{U}} (72)
{{/U}}genetically-engineered crops from the United States. Jim Skiff,
president of the Illinois-based company U-S Soy, says his company will not grow
crops with genetically modified organisms, known as G-M-O for short. But the biotechnology industry is fighting back. Here’s an advertisement produced by the Washington-based Council for Biotechnology Information. The biotech industry received a (n) {{U}} (73) {{/U}}in April,{{U}} (74) {{/U}}a Natio A. controversial B. tedious C. extensive D. conventional [单选题]安装在机械排烟系统的管道上，平时呈开启状态，火灾时当排烟管道内烟气温度达到 时关闭，并在一定时间内能满足漏烟量和耐火完整性要求，起隔烟阻火作用的阀门。
A.150℃ B.200℃ C.280℃ D.300℃ [单选题]招标文件的提供期限自开始发出之日起不得少于( )个工作日。
A.5 B.10 C.15 D.20 [单选题]由管制部门划设的、在规定时间内，未经管制部门许可的航空器禁止飞入的空间被称为（ ）。
A.空中禁区 B.空中限制区 C.空中危险区 D.塔台管制区 [多项选择]根据FIDIC《土木工程施工分包合同条件》，工程师对分包工程的管理职责有（ ）。
A. 批准分包工程部位 B. 审查分包商资质 C. 协商分包工程的施工 D. 检查分包工程使用的材料 E. 参与计量分包人完成的永久工程 [单选题]线电压中肯定没有的分量是(____)。
A.二次谐波 B.正序电压 C.负序电压 D.零序电压 [多选题]发生下列情况之一且影响青岛农商银行融资安全的，应立即停止打包贷款业务，采取措施及时清收
A.出口商生产经营出现重大风险 B.出口商未按合同要求按期交货 C.开证行、代收行或进口商出现重大信用风险 D.出口产品质量不稳定或价格出现较大波动 [单选题]承运人调整票价时，已售出的车票（ ）票价差额。
A.只补收不退还 B.不再补收只退还 C.不再补收或退还 D.应补收或退还 我来回答: 提交
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