In western countries ________ is the mos

唐代是我国诗歌发展的黄金时期，共流传下来2000多位诗人的将近多少首诗歌[ ]

A．50000

B．5000

C．20000

D．2000

患者，女，25岁，已婚。小腹胀痛剧烈， * * 流血量少，伴胸胁 * * 作胀，腹部平软，末次月经28天前，以往月经规律，有类似病史。应首先考虑的是（）

A.经行 * * 胀痛

B.月经量少

C.痛经

D.月经先期

E.异位妊娠

Microwave communication uses high-frequency (56) waves that travel in straightlines through the air. Because the waves cannot (57) with the curvature of the earth, they can be (58) only over short distance. Thus, microwave is a good (59) for sending data between buildings in a city or on a large college campus. For longer distances, the waves must be relayed by means of "dishes" or (60) .These can be installed on towers, high buildings, and mountain tops.

A．transmitted

B．transformed

C．converted

D．delivered

中国茶道简介（昆明九道茶）

救生筏的重量是（）

A.130公斤

B.300斤

C.300Kg

D.103磅