[单项选择]技能是一种（）。
A. 智力
B. 能力
C. 才能
D. 行为方式

[单项选择]Questions 23 to 25 are based on the conversation you have just heard.
A. Because women are superior in real life.
B. Because men want to keep their image.
C. Because women can’t be better than men.
D. Because nobody believes women’s power.

[判断题]安全风险分级管控标准要求建立安全管理工作责任体系。
A.正确
B.错误

[多选题]用跨相 90 度接线法测无功功率时,这种接线方法不可以在( )的三相三线制或三相四线制电路中应用。选项:
A.三相电流、电压完全对称
B.三相电流不完全对称
C.三相电压不对称
D.三相电压不完全对称

[单选题]《建设工程安全生产管理条例》的规定，注册执业人员未执行法律、法规和工程建设强制性标准的，责令停止执业6个月以上1年以下；情节严重的，吊销执业资格证书，3年内不予注册；造成重大安全事故的，终身不予注册；构成犯罪的，依照刑法有关规定追究刑事责任。（）
A.正确
B.错误
C.略
D.略
E.略
F.略

[单选题]C02气体保护焊当焊丝伸出长度过长时，飞溅将( )。
A.增加
B.不变
C.减少

[判断题]在进行倒负荷或解、并列操作前后，检查相关电源运行及负荷分配情况，不必填入操作票内。
A.正确
B.错误

[多项选择]托收方式的特点（）。
A. 结算基础是银行信用
B. 比信用证的手续多，费用高
C. 比汇款的手续多，费用高
D. 结算基础是商业信用
E. 比汇款结算方式安全

[单项选择]电子数据交换的简称是（）
A. EFT
B. EDI
C. NET
D. EC

[单选题]短路铜线的安设位置由（ ）确定，现场防护员负责安设。
A.作业负责人
B.施工负责人
C.带班人
D.工长

[判断题]氢键缔合作用是老熟陈酿过程的决定性作用。 ( )
A.正确
B.错误

[单项选择]下列数据结构中，属于非线性结构的是______。
A. 循环队列
B. 带链队列
C. 二叉树
D. 带链栈

[单项选择]

Because humans are at the top of the food chain, they are particularly vulnerable to the effects of nondegradable (不可能降解的)pollutants. This was clearly illustrated in the 1950s and 1960s when residents living near Minamata Bay, Japan, developed nervous disorders, shaking, and paralysis(瘫痪，麻痹) in a mysterious widespread. Over 400 people died before authorities discovered that a local industry had released mercury(水银，汞) into Minamata Bay. This highly toxic element stored up in the bodies of local fish and eventually in the bodies of people who consumed the fish. More recently research has revealed that many chemical pollutants are harmful to the human beings.
Pollution also has a dramatic effect on natural resources. Ecosystems such as forests, wetlands, and rivers perform many important services for the earth’s environment. They improve water and air quality, provide living places for plants and animals, and provide food and medicines. Any or all of these ecos
A. cloak
B. guard
C. defend
D. protect