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举一反三
【单选题】船舶发生油污染事故后,如需使用化学消油剂,按规定应_____。 I.不得擅自使用;II.应事先用电话或书面向港口主管机关申请批准; III.申请时应说明牌号,使用量和使用地点。
A.
Ⅰ+Ⅱ
B.
Ⅰ+Ⅲ
C.
Ⅱ+Ⅲ
D.
Ⅰ+Ⅱ+Ⅲ
【简答题】下列代码的执行结果是________。 public class Expression { public static void main(String[] args) { int v1=10,v2=99,v3=0; System.out.println((v1<0)&&(v2/v3)==3); } }
【简答题】This course prepares non-native speakers for the internationally recognized First Certificate in English. Syllabus(课程大纲) Speaking skills are taught as part of an integrated approach. Special emphasis ...
【单选题】光敏剂是指能将吸收的光能传递给对光不敏感的反应物，使其发生反应，而自身在反应前后________的一类物质。
A.
不发生变化
B.
发生变化
C.
数量增加
D.
数量减少
【单选题】船舶发生生油污事故后,如需使用化学消油剂,按规定 。I.不得擅自使用;II.应事先向港口主管机关申请批准;III.申请时应说明其牌号,计划用量和使用地点。
A.
I+Ⅱ
B.
I+Ⅲ
C.
II+Ⅲ
D.
I+lI+Ⅲ
【单选题】船舶发生生油污事故后,如需使用化学消油剂,按规定( ) 。I.不得擅自使用;II.应事先向港口主管机关申请批准;III.中请时应说明其牌号,计划用量和使用地点。
A.
I+Ⅱ
B.
I+Ⅲ
C.
II+Ⅲ
D.
I+lI+Ⅲ
【单选题】What responsibilities do states have concerning education?
A.
They must decide what certificate teachers should have.
B.
They must pick out the suitable textbooks for students.
C.
They must make sure every child can receive education.
D.
They must provide enough funds for their schools.
【单选题】听力原文：To open a current account, you will need to show your passport and birth certificate and to provide your address in the United Kingdom． What is the profession of the speaker?
A.
A teller.
B.
An economist.
C.
A travel agent.
D.
A customs official.
【单选题】What course does the man think about taking for further study?
A.
English Technical Certificate
B.
Computer Certificate
C.
Chemistry Certificate
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