小题1:He is out of work. Now he has become one of the u            .

小题2:— What’s your o                ?

— I’m a lawyer.

小题3:T         lights are sets of red, yellow and green lights which control the movement of cars and trucks, etc, usually at the places where roads meet.

小题4:We shouldn’t rely on our parents. We should be i                  .

小题5:Mary didn’t have enough money. She couldn’t a_______________ the beautiful dress.

小题6:Most of the visitors coming to Mount Tai like to buy some ________________(纪念品).

小题7:At Mary’s wedding _______________(仪式)，I met a friend of mine.

小题8:Every student is expected to obey ________________(纪律).

小题9:His son’s bad behavior at the party made her ___________________(尴尬).

小题10:He wants to major(主修)in ________________(建筑学) in Tsinghua University in the future.

在大型油船辅锅炉双冲量水位控制系统中．当锑炉负荷变化时，其控制过程是（）

A.在负荷负变化的短时间内主要按蒸汽流量控制，后按水位控制

B.在负荷变化的短时间内主要按水位控制，后按蒸汽流量控制

C.在负荷变化的短时间内，主要按蒸汽压力控制，后按水位控制

D.在负荷变化短时间内，主要按水位控制，后按蒸汽压力控制