His hand shook a little as he _______ the key in the lock
A) squeezed B) inserted C) stuffed D) pierced
他的手在颤抖当他把钥匙插入锁中时。
固定搭配 inserted in 把 插入 所以选B
第1题:
第2题:
You are signing on a deck officer,who will be designated as one of the GMDSS operators,before sailing foreign.Which statement is TRUE ________.
A.He/she must have an STCW certificate endorsed as“Valid for Service on Vessels Operating in the GMDSS System”
B.He/she must present either an FCC-issued license or a Coast Guard-issued license
C.You must consult the“List of Qualifications”on the reverse of his/her FCC-issued license
D.His/her Merchant Mariners Document must have an added endorsement as “Radio Electronics Officer”
第3题:
下列表达正确的是()
A.if(key=0)
B.if(key==0)
C.for(key=0)
D.while(key=0);
第4题:
A.Han D.J
B.Han D J
C.Han DJ
D.Han D.
第5题:
第6题:
6.设按键key按下时,产生低电平0。实现key按下时,key_state 置1的程序段是()
A.if(key == 1) { delay(200); if(key == 1) key_state = 1; }
B.if(key == 0) { delay(200); if(key == 0) key_state = 1; }
C.while(key == 0) { delay(200); while (key == 0) key_state = 1; }
D.while(key == 1) { delay(200); while (key == 1) key_state = 1; }