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【单选题】
以下哪种不是仙人掌科繁殖的方法（）A.
分株
B.
扦插
C.
嫁接
D.
压条
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参考解析：
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举一反三
【单选题】Every（）shall be fitted with a cargo tank cleaning system using crude oil washing.
A.
existing crude oil tanker of 20000 tons deadweight and under
B.
new crude oil tanker of 20000 tons deadweight and under
C.
existing crude oil tanker of 20000 tons deadweight and above
D.
new crude oil tanker of 20000 tons deadweight and above
【多选题】超临界流体萃取的优点有:
A.
提取物一般无溶剂残留
B.
适用于对热不稳定成分的提取
C.
对水溶性成分溶解度强
D.
提取速度快、收率高
E.
工艺流程简单，操作方便，成本低
【单选题】The port State control officer will ensure that（）is performed by all crude carriers either required to have a crude oil washing system or where the owner or operator chooses to install a crude oil was...
A.
cargo loading operations
B.
cargo unloading operations
C.
cargo control operations in the transport
D.
crude oil washing
【简答题】What is the current price of crude-oil as mentioned in the passage?
【单选题】In the case of new crude oil tankers，the additional ballast permitted shall be carried in cargo tanks only if such tanks have been ______ before departure from an oil unloading port or terminal.
A.
inerted
B.
crude oil washed
C.
diluted
D.
cleaned
【单选题】According to the passage,all the following is true EXCEPT_____.
A.
crude oil is found below land and water
B.
crude oil is always found a few hundred feet below the surface
C.
pumping and pressure force crude oil to the surface
D.
a variety of petroleum products is obtained from crude oil
【简答题】课文汉译英 《自立论》文让我明白,要从自己所做的决定里获得最好的结果就必须相信自己。
【多选题】C02超临界流体萃取法的优点有()。
A.
提取物一般无有机溶剂残留
B.
适用于对热不稳定成分的提取
C.
适用于易氧化成分的提取
D.
提取速度快、收率高
E.
工艺流程简单，操作方便，成本低
【多选题】超临界流体萃取法的有点有()
A.
提取物一般无有机溶剂残留。
B.
适用于对热不稳定成分的提取。
C.
对水溶性成分溶解力强。
D.
提取速度快、收率高。
E.
工艺流程简单，操作方便，成本低。
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