物体A以5米/秒的速度做匀速直线运动，在A出发5分钟后，物体B从同一地点向同一方向由静止出发做匀加速直线运动，加速度为0.4米/秒2．问： （1）物体B需用多少时间追上A？ （2）追上A之前何时相距最远？相距多远？
物体A以5米/秒的速度做匀速直线运动，在A出发5分钟后，物体B从同一地点向同一方向由静止出发做匀加速直线运动，加速度为0.4米/秒2．问： （1）物体B需用多少时间追上A？ （2）追上A之前何时相距最远？相距多远？
之前
我国对外贸易领域从货物到服务不断拓展，规模从小到大不断扩大，质量从低到高不断提升。关于对外贸易的说法中，下列各项错误的是（ ）。
我国对外贸易领域从货物到服务不断拓展，规模从小到大不断扩大，质量从低到高不断提升。关于对外贸易的说法中，下列各项错误的是（ ）。
从1996年开始，中国人民银行正式将（ ）作为我国货币政策的中间目标。
从1996年开始，中国人民银行正式将（ ）作为我国货币政策的中间目标。
No sooner _____ arrived at the station than it began to snow.
No sooner \_\_\_\__ arrived at the station than it began to snow.
Her hair and coat were wet because it _____.
Her hair and coat were wet because it \_\_\_\__.
It can be inferred from the passage that one difference between lobsters in the earlier stages of development and those in the juvenile fourth and fifth stages is that lobsters in the early stages are _____.
It can be inferred from the passage that one difference between lobsters in the earlier stages of development and those in the juvenile fourth and fifth stages is that lobsters in the early stages are
The manager required that all the employees _____ at the office before 9:00 in the morning.
The manager required that all the employees \_\_\_\__ at the office before 9:00 in the morning.