【单选题】在我国,对期货交易实施行业自律管理的机构是( )。
【单选题】Your ship’s certificates show that you did not do renewing work for certificate.All certificates have expired a few days before. Thus, your ship is(). It follows therefore that she will()
A.
seaworthy; be fined in our port
B.
un-seaworthy; be disassembled in our port
C.
seaworthy; be assembled in our port
D.
un-seaworthy;be detained in our port
【判断题】柴油机的形成指活塞从上止点移动到下止点的直线距离,也等于曲轴回转半径的2倍。
【单选题】Your ship's certificates show that you did not do renewing work for certificate. All certificates have expired a few days before. Thus, your ship is ____. It follows therefore that she will ____.
A.
seaworthy; be fined in our port
B.
seaworthy; be assembled in our port
C.
un-seaworthy; be disassembled in our port
D.
un-seaworthy; be detained in our port
【简答题】在我国,对期货交易实施行业自律管理的机构是( )。
【单选题】在我国,对期货交易实施行业自律管理的机构是( )。
【简答题】今年我市将用上从山东输送来的天然气.请你回答: (1)天然气的主要成分是______, (2)煤矿有时会发生瓦斯爆炸事故,瓦斯的主要成分与天然气相同,写出瓦斯爆炸的化学方程式:______, (3)化石燃料等不可再生能源将日趋枯竭,我们在使用能源时应树立“一要节约能源,二要进一步开发、利用新能源”的观点. ①如图中表示我国节能标志的是______(填化学式) ②有待继续开发、利用的能源有(至少写两...
【单选题】在我国,对期货交易实施行业自律管理的机构是( )
【简答题】“春天孩儿面,一日三朝变。”请参阅今年3月1日~17日上海地区气温曲线图,回答第下题。 造成初春气温骤变的原因,除冷暖气流的影响外,云对气温高低也有一定影响。以下关于云对气温影响的正确叙述是( ) ①白天多云,云对太阳辐射的反射作用,造成地面气温不太高 ②白天多云,云对太阳辐射的吸收作用,造成地面气温升得更高 ③夜晚多云,云对地面起保温作用,使地面气温比无云时高 ④夜晚多云,云将地面热量传到太空...
【简答题】Do you love holidays but hate the increase weight that follows? You are not alone. Holidays are happy days with pleasure and delicious foods. Many people, however, are worried about the weight that co...