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问题 单项选择题

急性粒细胞白血病M2a型的特征性改变

A．白血病细胞α-丁酸萘酚酯酶染色阳性

B．白血病细胞形态变异，核质发育不平衡

C．PML/RARa融合基因

D．白血病细胞5′-核苷酸酶染色阳性

E．CBFP-MYHll融合基因

答案

参考答案：B

解析：AML-M2a中白血病细胞的特征是形态变异及核质发育不平衡。

选择题

如图是甲、乙、丙三种物质的溶解度曲线，将甲、乙、丙三种物质tl℃时的饱和溶液升温至t2℃，所得溶液的溶质质量分数关系正确的是

A．甲>乙>丙

B．甲=乙=丙

C．甲=乙>丙

D．丙>甲=乙
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填空题



The Commission is expected to propose allowing people to choose which legal jurisdiction they would come under, based on their (1) or their residency. But the proposal is set to (2) because of the very different laws on divorce that apply across the EU. The Commission wants to (3) problems over which law to apply when, for example, a married couple from one member state is (4) in another member state or when the couple is of different EU nationalities.
The (5) of member states are said to be (6) the idea and responded positively to a (6) which followed the (8) of a Commission Green Paper. With 15 percent of German divorces each year involving couples of different nationalities, the government of Berlin (9) see resolved the issue of which laws should apply.
But some member states are expected to resist the (10) which would involve allowing different divorce laws to be applied in their countries. For example, in Ireland where the divorce law states a couple must have been separated for four years, establish that their marriage has broken down and be offered (11) , a couple from Sweden could apply to an Irish court to allow them to divorce under Swedish law, where divorce can be (12) quickly.
The Irish government’s (13) to the Commission on the Green Paper stated: "Ireland is not in favor of allowing (14) to choose the applicable law, as this could be open to abuse.., such abuse would be likely to (15) most on divorce regimes, such as that of Ireland, which require a relatively long separation period." Ireland, like the UK, however, is allowed to choose whether to "opt-in" to such a proposal under rules agreed in the Amsterdam treaty. Malta has no such (16) but could (17) the proposal in the Council of Ministers since (18) approval will be required.
"It is going to lead to (19) ," said Geoffrey Shannon, Irish expert on the Commission on European Family Law, which examines the (20) of EU family law.
The proposal would also mean that judges would have to be trained in the divorce law of all 25 member states.
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