New research（研究) about how much time people spend on their smartphones(智能手机) per day.

小题1:People cannot use the smartphones to _________________

A．read e-books

B．send text messages

C．take photos

D．play football小题2:Smartphone owner spends most of the time _______________ every day.

A．surfing on the internet

B．listening to music

C．watching videos

D．making phone calls小题3:Making phone calls with the smartphone was only the _____ most popular use.

A．first

B．sixth

C．twelfth

D．fifth

女，26岁，痛经3年逐渐加重，月经量增多，本次行经10日，血仍未止，2年前因不孕做过输卵管通液治疗，子宫较正常略大，后位，不活动，右侧触及4cm×4cm×3cm大的韧性包块与子宫粘连；左侧附件增厚，双宫骶韧带均触及豆粒大痛性结节，本病首先考虑为

A．陈旧性宫外孕
B．生殖器结核
C．慢性盆腔炎
D．子宫内膜异位症
E．输卵管卵巢囊肿