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【单选题】
下列关于化学与生活的有关叙述正确的是（ ）A.
棉花、羊毛、术材和草类的纤维都是天然纤维素，人造毛、人造丝是合成纤维
B.
塑料制品导致“白色污染”，塑料制品可在催化剂存在下，热燃油或燃气
C.
凡含有食品添加剂的食物对人体健康均有害，不宜食用
D.
长期盛放NaOH溶液的试剂瓶不易打开，是因为NaOH与瓶中的CO 2 反应使瓶内气体减少形成“负压”之故
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【单选题】A one-ounce slice of cheese can provide ______ of your daily recommended amount of calcium.
A.
20-22%
B.
12-20%
C.
22-25%
D.
20-25%
【单选题】You are asked to pay a bill you have already paid.
A.
I advise you to fire your accounts clerk because I paid this bill some time ago. Somebody must either be very inefficient or a thief.
B.
The amount you request was paid on November 12.
C.
I am surprised at this mistake; the bill has been paid!
【单选题】The daily calcium requirement for adults is () mg
A.
800-1000
B.
500-1000
C.
600-800
D.
1000-1200
【单选题】栀子的功效是： 栀子：泻火除烦、清热利湿、凉血解毒
A.
清热泻火、除烦止渴
B.
清热泻火、滋阴润燥
C.
清热除烦、生津利尿
D.
泻火除烦、清热利湿、凉血解毒
E.
清热生津、消肿排脓
【单选题】When the young man picked up the bill and paid it, _________.
A.
he felt that his father should have paid it
B.
he was glad to have the chance to pay the bill for once
C.
he realized he was now an adult
D.
his father said he would pay it as he usually did so
【单选题】Perhaps the customer has ________ his monthly statement and not paid the bill. [ ]
A.
omitted
B.
bewildered
C.
overlooked
D.
escaped
【简答题】有以下程序： Private Sub Form_Activate() For j=1 to 3 x=3 For i=l to 2 x=x+6 Next Next Print x End Sub 程序运行后，窗体上显示的结果为______。
【单选题】In our daily life we often hear such expressions as Wonderful weather we're having or Good morning. Which function of language do those expressions manifest?
A.
Informative.
B.
Phatic.
C.
Interrogative.
D.
Expressive.
【简答题】________ paid the bill? Mr. Wu paid the bill.
相关题目：
【单选题】栀子的功效是： 栀子：泻火除烦、清热利湿、凉血解毒
A.
清热泻火、除烦止渴
B.
清热泻火、滋阴润燥
C.
清热除烦、生津利尿
D.
泻火除烦、清热利湿、凉血解毒
E.
清热生津、消肿排脓
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