题目内容

()内部专卖管理监督的工作方法主要有两种,即日常监管和定期检查。

A. 正确
B. 错误

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在日本地面传真图上,某点纬度30°,相邻等压线间隔1°纬距,若不考虑摩擦,则该点相应地转风速为()。

A. 38m/s
B. 38kn
C. 10m/s
D. 10kn

Given a file GrizzlyBear.java: 1. package animals.mammals; 2. 3. public class GrizzlyBear extends Bear { 4. void hunt() { 5. Salmon s = findSalmon(); 6. s.consume(); 7. } 8. } and another file, Salmon.java: 1. package animals.fish; 2. 3. public class Salmon extends Fish { 4. void consume() { /* do stuff */ } 5. } Assume both classes are defined in the correct directories for theft packages, and that the Mammal class correctly defines the findSalmon() method. Which two changes allow this code to compile correctly?()

A. add public to the start of line 4 in Salmon.java
B. add public to the start of line 4 in GrizzlyBear.java
C. add import animals.mammals.*; at line 2 in Salmon.java
D. add import animals.fish.*; at line 2 in GrizzlyBear.java
E. add import animals.fish.Salmon.*; at line 2 in GrizzlyBear.java
F. add import animals.mammals.GrizzlyBear.*;at line 2 in Salmon.java

窄渠道策略

经检查发现某特种劳动防护用品安全标志核发错误,该责任由国家安全生产监督管理总局和指定的特种劳动防护用品安全标志管理机构共同承担。

A. 正确
B. 错误

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