A. /
B. from
C. under
D. from under
第1题:
A.grow up
B.feed
C.raise
D.bring up
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:
下面哪个词属于非正式英语?
A.guy
B.gentlemen
C.wealthy
D.automobile
第4题:
第5题:
第6题:
【单选题】7. 对于一个头指针为head的带头结点的单链表,判定该表为空表的条件是()。
A.head→next==NULL;
B.head==NULL;
C.head→next==he;
D.head!=NULL;