Does that tea have enough sugar in it?（）
A. Yes, it is. Thank you.
B. Yes, it does. Thank you.
C. Yes, I will. Thank you.
D. Yes, I do. I like it.
斜齿圆柱齿轮的齿数z与模数mn不变，若增大螺旋角则分度圆直径d1（）。
A. 不变
B. 增大
C. 减少
D. 不—定增大或减少
Consider the following statement on a RANGE partitioned table: ALTER TABLE orders DROP PARTITION p1, p3; What is the outcome of executing the above statement?（）
A syntax error will result as you cannot specify more than one partition in the same statement
B. All data in p1 and p3 partitions are removed and the table definition is changed
C. All data in p1 and p3 partitions are removed, but the table definition remains unchanged
D. Only the first partition (p1) will be dropped as only one can be dropped at any time
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