【名词&注释】
微量元素(trace element)、水产品(aquatic products)、缺铁性贫血(iron deficiency anemia)、思想感情(thoughts and feelings)、计算器(calculator)、有助于(helpful to)、“第一次”、潜水艇(submarine)
[单选题]下列关于人体健康的说法正确的是（ ）
A. 微量元素是人体必需的，应尽可能多吃含微量元素的营养补剂
B. 油脂危害人体健康，应尽量不吃
C. 食物加入铁强化剂的酱油，有助于(helpful to)防治缺铁性贫血
D. 食用甲醛溶液浸泡保鲜的水产品有利健康
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举一反三：
[单选题]24．Some________ are on the desk．
A. pictures
B. flowers
C. chairs
D. clocks
[单选题]12．
A. This
B. That
C. These
D. He
[单选题]下列句子中加点词语的解释错误的一项是（2分）
A. 在你的生命中，有多少“第一次”值得你低回品味？
B. 低回：低头徘徊。
C. 他时而激情满怀，时而义愤填膺。
D. 义愤填膺：胸中充满了正义的愤恨。膺，胸。
E. 这对眼睛不会放过微不足道的细节，同样也能全面揭示广袤无垠的宇宙。
F. 广袤无垠：广阔无边。
G. 我希望他们不再像我，又大家隔膜起来。
H. 隔膜：彼此思想感情不相通。
[单选题]“远征号”潜水艇(submarine)从长江某基地赴东海执行任务过程中 【 】
A. 潜水艇(submarine)在海水中潜行时所受的浮力大于在江水中潜行时所受的浮力
B. 潜水艇(submarine)在海水中潜行时所受的浮力等于在江水中潜行时所受的浮力
C. 潜水艇(submarine)在海水中潜行时所受的重力小于在江水中潜行时所受的重力
D. 潜水艇(submarine)在海水中潜行时所受的重力等于在江水中潜行时所受的重力
[单选题]BMy grandfather is an eighty-year-old man． He always complains about how fast things have changed，and he often says that life used to be better．
A. A lot of families have broken down． If husband and wife have problems with their marriage，they no longer stay together． And moth-ers used to stay at home and take care of their children，but now not any more． Everyone is working． No one has．time to look after children at home．
B. But now we don't． And in school，the children don’t have to think anymore．In math class，for example，we used to add，subtract(减)，multiply(乘) and divide．(除) in our heads， Kids don't use their heads anymore ;instead，they use calculators(计算器)．
C. In the past，we didn’t have computers． We didn't even have lights． My mother used to spend all day cooking in the kitchen． But now nobody eats home-cooked food anymore．
D. They are too busy to talk，too busy to eat，too busy to think．Life used to be simple，but it isn’t anymore．
E. What does the writer's grandfather think of the life now?
F. He thinks the life is the same as it used to be．
G. He thinks the life now is worse than it used to be．
H. He thinks the life now is better than it used to be．
I. He thinks the life now is very good．
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