【简答题】用am，is或are填空。 1.That's my father and this my mother. They my parents. 2.This is my friend and that my sister. 3.  —_ she your sister? —Yes.she . 4.— he your brother? —No. He my friend. 5.— Guo Peng yo...

【简答题】Where it was once inevitable that those who left to study at prestigious foreign universities would remain on distant shores for years, China’s graduates are now answering the call of home more than e...

【简答题】It took several years for the virus to break out of Congo’s dense and sparsely populated jungles but, once it did, it marched with rebel armies through the continent’s numerous war zones, rode with tr...

【单选题】直拉单晶硅和()应用最为广泛，占太阳能光电材料的90%左右。

【单选题】直拉单晶硅和( )应用最为广泛,占太阳能光电材料的90%左右

【简答题】请翻译下列句子: It took several years for the virus to break out of Congo’s dense and sparsely populated jungles but, once it did, it marched with rebel armies through the continent’s numerous war zones, rod...

【单选题】— Whose English-Chinese dictionary is this? — It's _____ . My parents got it for my sister and me. [     ]

【单选题】My mother’s ________are my brothers.

【简答题】已知 R=500m , l 0 =60m , α=28°36′20′′ , ZH 点里程为 86+424.67 ,求综合要素及主点的里程。

【单选题】Frank and Mary are my mother's parents. They are my ______. [     ]