I'd like _1(call) your sister, Helen._刷题宝

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I'd like ____(call) your sister, Helen.

上一题下一题 0.0难度选择题更新时间:2015-07-24 06:05:57

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to call

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THEME PARKS – FUN AND MORE THAN FUN

Disneyland will bring you into a magic world. As you walk around Disneyland, you may see Snow White and Mickey Mouse in a parade or on the street. If you want to have fun and more than fun, come to Disneyland!

Dollywood, in the beautiful Smoky Mountains in the southeastern USA. Although Dollywood has rides, the park’s main attraction（吸引力） is its culture. You can even take a ride on the only steam-engine train still working in the southeast USA. Come to Dollywood to have fun learning all about America’s historical southeast culture!

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以下命题：

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③对于命题p：∃x＞0，使得x²+x+1＜0，则￢p：∀x≤0，均有x²+x+1≥0

④若p∨q为假命题，则p，q均为假命题

其中正确命题的序号为____（把所有正确命题的序号都填上）．

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