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【简答题】
Read a passage and choose the best answer. The waiting service begins with the greeting and seating of the guests. In larger establishments guests may be received by a head waiter or supervisor and taken to the table (after checking reservations, etc.) where they are introduced to their table waiter, who takes over the responsibility for their service. In smaller restaurants a single waiter will be responsible for the whole operation. In either case the procedure is as follows: Acknowledge new guests as soon as they arrive. Approach the guests with an appropriate welcome, for example, "Good evening”. If the guests have come to eat, enquire whether they have a reservation. Check the reservation. When checking the reservation, note the host’s name- the table will usually have been reserved in the name of the host. It is important to establish who the host is.(The host may, of ourse, be female or male.) Show the guests to their table. Offer the guests chairs to encourage them to be seated. 3. Which of the following statements is not true? A. The waiting service begins with the greeting and seating of the guests. B. In smaller restaurants a single waiter will be responsible for the whole operation C. Acknowledge new guests as soon as they arrive. D. When checking the reservation, don't ask the host's name directly, because it is impolite.
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【简答题】缓冲的实现有两种方法:一种是采用专门硬件寄存器的硬件缓冲,另一种是在内存储器里开辟一个区域,作为专用I/O缓冲区,称为()。
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A.
倒立
B.
梳头法
C.
保持适宜的室温
D.
可食用亚麻籽、核桃仁、黑芝麻以益智健脑
【多选题】下列适合脑力劳动者的养生方法是( )
A.
倒立
B.
梳头法
C.
保持适宜的室温
D.
可食用亚麻籽、核桃、黑芝麻以益智健脑
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A.
该商场违反了《反不正当竞争法》关于禁止低价倾销的规定
B.
该商场违反了《消费者权益保护法》关于禁止欺诈经营的规定
C.
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该商场违反了《民法通则》和《合同法》规定的诚实信用原则
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SqliteOpenHelper类有创建数据库和更新数据库版本的的功能
B.
当数据库版本发生变化时,会调用SqliteOpenHelper的onUpgrade()方法更新数据库
C.
每次调用SqliteDatabase的getWritableDatabase方法时,都会执行SqliteOpenHelper的onCreate()方法
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可以调用SqliteDatabase类的insert()方法在数据库中插入数据
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A.
HCl
B.
HBr
C.
H 2
D.
Br 2
【多选题】假设某商场在促销乙厂的“压力锅”时,谎称商场要转产歇业,所售产品的销售价是“跳楼价”,下列表述中哪些是正确的 ( )
A.
该商场违反了《反不正当竞争法》关于禁止低价倾销的规定
B.
该商场违反了《消费者权益保护法》关于禁止欺诈经营的规定
C.
该商场违反了《反不正当竞争法》给予禁止作引人误解虚假宣传的规定
D.
该商场违反了《民法通则》和《合同法》规定的诚实信用原则
【单选题】设A,B为两个随机事件,且P(A)>0,则P(A∪B|A)=( )
A.
P(AB)
B.
P(A)
C.
P(B)
D.
1
【单选题】根据下表中所列键能数据,判断下列分子中,最稳定的分子是(    ) 化学键 H—H H—Cl H—I Cl—Cl Br—Br 键能/ 436 431 299 247 193
A.
HCl          
B.
HBr              
C.
H 2
D.
Br 2
【简答题】缓冲的实现有两种方法:一种是采用专门硬件寄存器的硬件缓冲,另一种是在内在储器里开辟一个区域、作为专用的I/O缓冲区,称为()。
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