[填空题]Now many young people spend several hours a day(talk)______on a mobile phone。

[填空题]Now many young people spend several hours a day(talk) _____ on a mobile phone.

[单项选择]Children can spend hours a day looking at computer screens and other digital devices. Some eye care professionals say all that screen time has led to an increase in what they call computer vision syndrome.
Nathan Bonilla-Warford is an optometrist in Tampa, Florida, with VSP, Vision Service Plan, a big insurance provider. He says he has seen an increase in problems in children. "I see a lot more children who are coming into the office either because their parents have noticed that they have headaches or red or watery eyes or discomfort, or because their prescription, their near-sightedness, appears to be increasing at a fast rate and they’re worried."
Dr. Bonilla-Warford says part of the problem is that children may be more likely than adults to ignore early warning signs. "Even if their eyes start to feel uncomfortable or they start to get a headache, they’re less likely to tell their parents, because they don’t want to have the game or the computer or whatever taken away."A. All the screen time.
B. Their parents have noticed that they have headaches or red or watery eyes or discomfort.
C. Their prescription, their near-sightedness.
D. They are worrie

[填空题]Each autumn, teachers spend many hours writing references in support of their pupils’ university applications, and university admissions tutors subsequently spend many hours reading them. Indeed, the official advice is that when there are more qualified applicants than can be accommodated, or when applicants’ suitability for professions is being assessed, admissions staff should consider "additional information, including references". The pressure to widen access has brought us to the point where references axe hardly worth the paper they are written on. Of come, some applicants’ results may not do them justice and will not therefore be an accurate predictor of future achievement. However, the almost total absence of anything but positive comments makes it impossible to distinguish between such applicants and those for whom higher education may be a step too far.
It is the same story with access courses, which provide an opportunity for those who left school without qualificatio

[填空题]How many hours can he work a day ______ hours.

[单项选择]How many hours does the woman work every day except the break
A. Seven hours.
B. Eight hours.
C. Nine hours.
D. Six hours.