题目
A.so
B.so does
C.and it does
D.so does it
第1题
第2题
A.imitation
B.illusion
C.incidence
D.implement
第3题
第4题
第5题
It is desired to just resolve (R=1.5) two gas-chromatographic peaks with retention times of 85s and 100s, respectively, using a column that has an H value of 1.5 cm/plateunder the operating conditions. What length column is required? Assume the two peakshave the same base width.
第6题
B、 Money is important than happiness
C、 There is only so much fortune a man really needs and the rest is just for showing off
D、 Money is the way to success
第7题
You have just purchased a 7-year zero-coupon bond with a yield to maturity of 11% and a par value of $1,000. What would your rate of return at the end of the year be if you sell the bond? Assume the yield to maturity on the bond is 9% at the time you sell.()
A.10.00%
B.23.8%
C.13.8%
D.1.4%
E.none of the above
第8题
You have just purchased a 12-year zero-coupon bond with a yield to maturity of 9% and a par value of $1,000. What would your rate of return at the end of the year be if you sell the bond? Assume the yield to maturity on the bond is 10% at the time you sell.()
A.10.00%
B.20.42%
C.-1.4%
D.1.4%
E.none of the above
第9题
A. You use a NEXTVAL pseudo column to look at the next possible value that would be generated from a sequence, without actually retrieving the value.
B. You use a CURRVAL pseudo column to look at the current value just generated from a sequence, without affecting the further values to be generated from the sequence.
C. You use a NEXTVAL pseudo column to obtain the next possible value from a sequence by actually retrieving the value from the sequence.
D. You use a CURRVAL pseudo column to generate a value from a sequence that would be used for a specified database column.
E. If a sequence starting from a value 100 and incremented by 1 is used by more then one application, then all of these applications could have a value of 105 assigned to their column whose value is being generated by the sequence.
F. You use REUSE clause when creating a sequence to restart the sequence once it generates the maximum value defined for the sequence.
第10题
A. 1
B. 2
C. 3
D. 4
E. 5
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