下列哪一项检查对确诊冠心病心绞痛最有价值

A．超声心动图

B．心电图

C．动态心电图

D．踏车运动心电图负荷试验

E．运动核素心肌显像

根据句意用所给词的适当形式填空。

1. There ________ (be) some pictures on the wall.

2. That is ________ (Amy) photo.

3. ________ (be) her dictionary on the sofa?

4. Can you ________ (bring) these books to school?

5. Where are Lily's ________ (key)?