张某利用从路边捡来的李某身份证，向某银行申领银联卡一张，先后透支现金5万余元，发卡银

如图所示，一个重为G的小球套在竖直放置的半径为R的光滑圆环上，一个劲度系数为k，自然长度为L（L＜2R）的轻质弹簧，一端与小球相连，另一端固定在大环的最高点，求小球处于静止状态时，弹簧与竖直方向的夹角φ．

Wherefore, Bees of England, forge

Many a weapon, chain, and scourge,

That these stingless drones may spoil

The forced produce of your toil

Questions:

A. Identify the poet and the poem from which the lines are taken.

B. What do you know about the poem’s writing background

C. What do you think the poet intends to say in the poem

呼吸机的治疗作用有哪些？

奥运会网球比赛设有哪些项目？（）

A.男女单打

B.男女双打

C.男子团体

D.女子团体

E.混和双打