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【单选题】
根据短文回答 41~45 题。 A Thirsty World The world is not only hungry; it is also thirsty for water. This may seem strange to you, since nearly 75% of the earth's surface is covered with water. But about 97% of this huge amount is sea-water, or salt water. Man can only drink and use the other 3% - the fresh water that comes from rivers, lakes, underground, and other sources. And we cannot even use all of that, because some of it is in the form. of icebergs (冰山) and glaciers (冰川). Even worse, some of it has been polluted. At the moment, this small amount of fresh water is still enough for us. However, our need for water is increasing rapidly. Only if we take steps to deal with this problem now can we avoid a severe worldwide water shortage later on. A limited water supply would have a bad effect on agriculture and industry. In addition to stopping wasting our precious water, one useful step we should take is to develop ways of reusing it. Experiments have already been done in this field, but only on a small scale. Today, in most large cities, water is used only once and it eventually returns to the see or runs into underground storage tanks. But it is possible to pipe water that has been to a purifying (净化)' plant. There it can be filtered (过滤) and treated with chemicals so that it can be used again just as if it ware fresh from a spring. But even if every large city purified and reused its water, we still would not have where could we turn next? To the oceans! All we d have to do to make use of vast amount of sea-water is - remove the salt. This salt-removing process is already use in many parts of the world. So if we take all these steps, we'll be in no danger of drying up ! 第 41 题 The phrase 'the world' in the first line of the passage refers to( )
A.
'man'
B.
'you'
C.
'woman'
D.
'they'
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【判断题】食品刑事责任规定在我国刑法中,由第 143 条规定的生产、销售不符合安全标准的食品罪,第 144 条规定的生产、销售有毒、有害食品罪加以调整。
A.
正确
B.
错误
【简答题】油品流经过滤器后,应有足够的()时间,以防止静电产生。
【多选题】关于满立减活动哪些描述是正确的( )
A.
商品满立减订单金额包含运费
B.
活动类型有全店铺满减和商品满立减
C.
满立减和优惠劵可以叠加使用
D.
限时折扣商品按折后价参与
【单选题】某男,30岁,连续工作8年。经当地医院检查全血细胞减少,转入职业病就诊。该患者所在车间空气中苯浓度超过国家标准几十倍。经多次复查白细胞(2.7~2.9)*10/L血小板(49~57)/10L骨髓项检查确定为再生障碍性贫血。诊断( )
A.
观察对象
B.
慢性轻度苯中毒
C.
慢性中度苯中毒
D.
慢性重度苯中毒
E.
苯所致白血病
【单选题】分泌胰岛素的细胞是
A.
胰腺D1细胞
B.
胰腺D细胞
C.
胰腺A细胞
D.
胰腺B细胞
E.
胰腺PP细胞
【单选题】下面关于for (expr1; expr2; expr3)说法错误的是?
A.
第一个表达式(expr1)在循环开始前无条件求值一次。
B.
expr2 在每次循环开始前求值。如果值为 TRUE,则继续循环,执行嵌套的循环语句。如果值为 FALSE,则终止循环。
C.
expr3 在每次循环之前被求值(执行)。
D.
每个表达式都可以为空。expr2 为空意味着将无限循环下去(和 C 一样,PHP 认为其值为 TRUE)。这可能不像想象中那样没有用,因为经常会希望用 break 语句来结束循环而不是用 for 的表达式真值判断。
【判断题】食品刑事责任规定在我国刑法中,由第143条规定的生产、销售不符合安全标准的食品罪,第144条规定的生产、销售有毒、有害食品罪加以调整。()
A.
正确
B.
错误
【单选题】分泌胰岛素的细胞是
A.
胰岛素α细胞
B.
胰岛素β细胞
C.
胰岛素δ细胞
D.
胰岛素α细胞和胰岛素β细胞
E.
胰岛素δ细胞和胰岛素β细胞
【判断题】食品刑事责任规定在我国刑法中,由第143条规定的生产、销售不符合安全标准的食品罪,第144条规定的生产、销售有毒、有害食品罪加以调整。
A.
正确
B.
错误
【判断题】采用集成电路技术和 SMI 表面安装工艺而制造的新一代光电开关器件,具有延时、展宽、外同步、抗互相干扰、可靠性高、工作区域稳定和自诊断器智能化功能
A.
正确
B.
错误
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