用于活动性出血及患者身体状况极不稳定的急诊患者诊断消化道出血（）。

A.^99mTc-RBC

B.^99mTc-胶体

C.Na^99mTcO₄

D.^99mTc-EHIDA

E.^99mTc-MAA

用所给动词的适当形式填空(每题1分,共10分)

小题1:Listen! The students _____(read) in the classroom..

小题2:Jack often______ (visit) his friends on Sundays.

小题3:She want______ (be) a doctor.

小题4:There__(be) some onions and mutton in the bowl.

小题5:I would like you _____(come) to my house.

小题6:They would like _____(see) the animals in the zoo.

小题7:Let them ______(help) us with English.

小题8:They enjoy _________(have) beef.

小题9:What about ________ (swim) in the pool?

小题10:They________ (do) their homework last weekend.