当前网络面临的最常见的攻击是什么?A.()撬锁攻击(lock () picking)()B.()Naggle()C.()Dos()D.()auto () secure

Picking nose is a _______ habit.

事务T1符合两段锁封锁法的序列是（） A: LOCK S(A)...LOCKS S(B) ...UNLOCK (B) ... UNLOCK (A) B: LOCK S(A) UNLOCK (A) LOCK S(B) UNLOCK (A) C: LOCK S(B) LOCK X(A) UNLOCK (A) LOCK S(C) D: UNLOCK (A) UNLOCK (B) LOCK X(A) LOCK X(B)

He is ( ) Peter, and you know Peter is the last man in the world to cause trouble. A: picking on B: picked at C: picking at D: picked on

Don’t forget to lock the door! ______ to lock the door!

In Picking up the Jade Bracelet , Sun Yu...without __________ .

The last time I Jane, she cotton in the fields. A: had seen; was picking B: saw; picked C: had seen; picked D: saw; was picking

Scan the text and find the sentences containing the word "lock or the word root "lock".

12. She_________ apples in her garden when I_________ to see her yesterday. A. picked，went B. was picking， went C. picked，was going D. was picking，was going

We'll _____ the gates. We'll _____ the staff.（ ） A: reduce; lock B: lock; reduce