下列管材中属于非金属材料的是（）。 A.铸铁管 B.铝塑复合管 C.玻璃管 D.有色

把药材用规定浓度的乙醇浸出或溶解制成的澄清液体制剂是

A．汤剂
B．酒剂
C．酊剂
D．浸膏剂
E．煎膏剂

Many students have already had clear ideas about what jobs they would like to have in the future. We believe boys’ choices are different from girls’. To find out how different their choices are, we made a survey in Green High School. The following diagram shows the results of the survey.

小题1:About 45% of the girls would like to be ________ in the future.

A．bank clerks

B．reporters

C．scientists

D．teachers小题2:About ________ of the boys want to be teachers as well.

A．5%

B．15%

C．28%

D．38%小题3:Which job do the girls like least?

A．Bank clerks

B．Reporters

C．Managers

D．Scientists小题4:What does the diagram show us?

A．Boys’ abilities of jobs are the same as girls’.

B．Boys’ abilities of jobs are different from girls’.

C．Boys’ choices of jobs are the same as girls’.

D．Boys’ choices of jobs are different from girls’.小题5:Which of the following statements is RIGHT?

A．More girls would like to be reporters than boys.

B．More boys would like to be bank clerks than girls.

C．Boys would like to be reporters most.

D．Girls would like to be managers most.

患者30岁，骨盆疼痛，结合图像，最可能的诊断为()

A．腹水

B．神经纤维瘤病

C．腹膜假性黏液瘤

D．脓肿

E．囊肿

Beijing: The United States and North Korea had their first ______ in four months here this afternoon as part of the ______ negotiations on how to end North Korea’s nuclear program, but diplomats played down prospects for______. James A. Kelly, assistant ______, and Kim Yong Ⅱ, North Korea’s deputy foreign minister, met ______ of formal discussions, ______ on direct dialogue that began after a stormy meeting ______ in which North Korea warned that it was moving quickly to ______ nuclear arms. The Bush administration had insisted ______ that it would only hold talks with North Korea ______ because, it argued, only ______ pressure would persuade North Korea to______. It got its way when North Korea dropped its insistence on ______ and agreed, after extensive efforts by China, to hold unusual simultaneous negotiations with ______,______,______ and ______ as well as the United States. Though Bush administration officials had not ______ talking privately with the North Koreans during______, the fact that Mr. Kelly and Mr. Kim met on the first day was seen as a sign of ______ by the American side.

鱼尾式鱼尾板蹭裂纹大于（）应更换。

A.5mm

B.10mm

C.15mm

D.20mm