【单选题】The tern 'Father of Waters' is used to refer to
B.
the Mississippi River.
【单选题】The explorers ______ into the unknown regions of the Amazon River.
【单选题】设某顺序表中第一个元素的起始存储地址为a,每个元素的长度为b,则第c个元素的起始地址是?(a,b,c均为非负整数)
【单选题】We could do nothing but _____ the order.
【简答题】act 遵照 ... 行动 , 奉行 , 作用于 2. act 出毛病 , 运转不正常 3. adapt 适应 4. add 加起来 , 说得通 5. add 合计达 , 总括起来 6. allow 考虑到 , 为 ... 留出余地 7. allow 容许 , 容许有 ... 的可能 8. back 退出 , 撒手 , 食言 9. back 支持 , 倒退 10. bear 竭尽全力
【单选题】We could do nothing ______ to come.
A.
beside wait for the doctor
B.
but wait for the doctor
C.
only to wait for the doctor
D.
but to wait for the doctor
【单选题】______ is recognized as the longest river in Great Britain.
【单选题】______ is recognized as the longest river in Britain.
【判断题】PAM是脉冲载波的幅度随基带信号变化的一种数字调制形式。