I ______ him in time, otherwise he would have fallen off the bike.
A．had supported B．supported C．have supported D．support
_______ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
A．Even if B．As far as C．If only D．So long as
--How do you think I can make up with Tom?
---Put aside_____ you disagree and try to find_____ you have in common.
A．what, what B．where, what C．what, whether D．where, whether
________, his idea was accepted by all the people at the meeting.
A．Strange as might it sound B．As it might sound strange
C．As strange it might sound D．Strange as it might sound
中小学生的近视问题比较严重，请你用英语简单讲述这一现象的原因，并对同学们该怎样保护视力提出二、三条建议。
注意：文章不少于100个词。
提示：近视short-sighted adj / short-sightedness n
眼保健操 eye exercise
We went to the swimming pool today. I had my first swimming lesson. At first I was very afraid. I hated it when the water went up my nose and into my ears. I kept my eyes closed all 1._____ time.
Slowly, however, I became more confident. The teacher made sure 2.____ would always touch the bottom of the pool with my feet and 3.____ my head was above water. By the end of the lesson I could float on the water for 4.____ least a minute.
I’m glad I’m learning to swim; it can be lots of fun. Soon I hope to be able to dive into the pool 5.____ swim underwater.
