ZD(J)9系列电动转辙机应定期清理(),做到整洁无杂物。
参考答案:转辙机内部
根据句意及汉语提示完成句子(10分)
小题1:The students are r__________books in the library.
小题2:They teach in a school, they are t_____________.
小题3:Please write and tell me about ___________(你自己).
小题4:— How many students are there in your school?
—About nine h___________.
小题5:Some students are collecting l___________ in the park.
小题6:It is going to be a f weekend.
小题7:We’re all looking forward to ___________ (watch)the 2012 Olympic Games.
小题8:The old man lives (独自)and at weekends his sons visit him.
小题9:I will spend 10 more minutes ____________ (wait) for you at the school gate.
小题10:I don’t know what _______________ for the fashion show. (choose)
下列不是卵巢恶性肿瘤的影像学诊断依据的是()
A.肿瘤壁不规则,壁结节融合成块
B.肿瘤内分隔厚且不规则
C.肿瘤周围可有化学位移伪影
D.合并有腹水
E.有转移病灶