— Nice weather, isn't it? ---()
A、I’m not sure
B、You know it well
C、Yes, it is
D、Yes, it isn’t
A、I’m not sure
B、You know it well
C、Yes, it is
D、Yes, it isn’t
A、It‘s a nice place. B、I like the food there. C、He asks me whether I like the weather. D、It‘s cold in winter and hot ins ummer.
A、use of low viscosity oil in cold weather B、increased moisture content of inlet air in cold weather C、increased drag of pistons and bearings due to increased oil viscosity D、higher compression pressures reached due to smaller clearances existing in the engine during cold weather
A、rapidly improving weather B、deteriorating weather C、a severe low pressure system D、fair weather and calm