航迹舵能否正常工作的关键,取决于连续输入的()
A.船舶航程数据的精确度;
B.船位数据的精确度;
C.风流压测定值的精确度;
D.船舶速度的精确度。
参考答案:B
We ______ hurry because we still had a lot of time.
A.don't have to
B.needn't have to
C.didn't need
D.didn't have to
I ------- my watch, but I didn’t -------- it.
A.looked for ; found
B.found ; find
C.looking for ; found
D.looked for ; fiund