A. 15吨的货物不可能凭空消失。
B. 15吨的货物不可以简单地消失。
C. 15吨的货物不会消失在稀薄的空气中。
第1题:
A.Must; needn’t
B.Can; can’t
C.May; mustn’t
D.Can; mustn’t
第2题:
ROW-based replication has stopped working. You investigate the error log file and find the following entries: 2013-08-27 14:15:47 9056 [ERROR] Slave SQL: Could not execute Delete_rows event on table test.t1;Can‘t find record in ‘t1‘, Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event‘s master log 56_master-bin. 000003, end_log_pos 851, Error_code: 10322013-08-27 14:15:47 9056 [warning] Slave: Can‘t find record in ‘t1‘ Error_code: 10322013-08-27 14:15:47 9056 [ERROR] Error running query, slave SQL thread aborted. Fix the problem, and restart the slave SQL thread with "SLAVE START".We stopped at log ‘56_masterbin. 000003‘ position 684 Why did you receive this error?()
A.The slave SQL thread does not have DELETE privileges to execute on test.t1 table.s
B.The table definition on the slave -litters from the master
C.Multi-threaded replication slaves can have temporary errors occurring for cross database updates
D.The slave SQL thread attempted to remove a row from the test.t1 table, but the row did not exist
第3题:
Freight rates are mostly charged________.
A.by the weight(tons)of cargo
B.by the capacity(tons)of vessel
C.by DW of the vessel
D.by the draft of the vessel
第4题:
I've got the first page ().
A、simplify
B、simplified
C、simply
第5题:
---- Look! The man at the gate ________ be our headmaster. He is always standing there every morning.
--- - No, it ________ be him. He is holding a meeting in the office now.
A.must, can’t B.must, mustn’t C.can’t, can’t D.can’t, mustn’t
第6题: