Please remove all sharp objects, such as eyeglasses, dentures /ˈdentʃərz/ pens。其中“sharp objects”指锋利物品。
举一反三
- what can not be sent to others as a gift in china? A: foreign currency with black paper B: green headwear;white flowers C: clock;umbrellas D: sharp objects like knives or scissors
- Do not fiddle with objects such as jewelry, your hair or pens when you first meet your interviewers.
- An advantage of inheritance is that: ( ) A: Objects of a subclass can be treated like objects of their superclass. B: All methods can be inherited. C: All instance variables can be uniformly accessed by subclasses and superclasses. D: None of the above.
- Three objects are brought close to one another, two at a time. When objects A and B are brought together, they attract. When objects B and C are brought together, they repel. Which of the following are necessarily true? A: Objects A and C possess charges of the same sign. B: Objects A and C possess charges of opposite sign. C: All three objects possess charges of the same sign. D: One object is neutral. E: Additional experiments must be performed to determine information about the charges on the objects.
- sharp