Why do the critics criticize advertisers?
A. Because advertisers often brag.
B. Because critics think advertisement is a "waste of money".
C. Because customers are encouraged to buy more than necessary.
D. Because customers pay more.
第1题:
Youhaveexecutedthiscommandtochangethesizeofthedatabasebuffercache:SQL>ALTERSYSTEMSETDB_CACHE_SIZE=2516582;Systemaltered.Toverifythechangeinsize,youexecutedthiscommand:SQL>SHOWPARAMETERDB_CACHE_SIZENAMETYPEVALUE------------------------------------------------db_cache_sizebiginteger4194304(4M)Whyisthevaluesetto4194304andnotto2516582()
A.because4194304isthegranulesize
B.because4194304isthestandardblocksize
C.because4194304isthelargestnonstandardblocksizedefinedinthedatabase
D.because4194304isthetotalsizeofdataalreadyavailableinthedatabasebuffercache
第2题:
一位男老师正在教一位学生打篮球,话题中谈到学生妈妈。
A:What is your mother's (46) (47) ?
B: (48) favorite (49)is playing basketball.
A:Why (50) she like playing basketball?
B:Because (51) very interesting.
A:Who is (52) basketball (53) ?
B: (54) basketball teacher (55) Mr Smith.
46.______
第3题:
第4题:
A) all
B) partly
C) seldom
D) often
第5题:
第6题: