What type of oil is not covered in the oil pollution law?（） mineral oil。 machinery oil being transferred for shipboard use。 crude oil unrefined。 normal bilge oil and water。
支票可使用在（） 不同票据交换区。 同一票据交换区。 不同城。 不同国。
存量活卡量指活期账户月日均余额在300元以上的未销卡或月日均余额在300元以下、余额大于等于1元，但在近一年内发生过交易（开户次日起，计息除外）的福卡数量。
活卡分为新增活卡和存量活卡。
The pollution prevention regulations state that slop oil and sludge that result as part of normal fueling operations should be disposed of by （） discharging ashore into the sewer system。 sealing in disposable plastic barrels aboard ship。 discharging into a shore tank or stop barge。 dumping into the ship’s bunker tank。
If an observer in the Northern Hemisphere faces the surface wind，the center of low pressure is to his（）.
