单选题：After graduating from college，I took some time off to go tra

题目内容：

After graduating from college，I took some time off to go travelling，_____________turned out to be a wise decision． A．that
B．which
C．when
D．where

参考答案：

答案解析：

Tired, Jim was fast asleepwith his back _________a big tree.

Tired, Jim was fast asleepwith his back _________a big tree.A．in B．below C．besid

分类：英语题型：单选题

（2）外无期功强近之亲，内无应门五尺之僮。，形影相吊。（李密《陈情表》）其声呜呜然，，，余音袅袅，不绝如缕。（苏轼《赤壁赋》），。《出师》一表真名世

分类：英语题型：单选题

分类：英语题型：单选题

分类：英语题型：单选题

若将人的染色体DNA片段先导入大肠杆菌细胞中克隆并坚定目的基因，然后再将获得的目的基因转入植物细胞中表达，最后将产物的药物单摆注入小鼠体内观察其生物功能是否发挥

分类：英语题型：单选题