题目内容
有以下结构体说明和变量的定义，且指针p指向变量a，指针q指向变量b。则不能把结点b连接到结点a之后的语句是()。 struct node {chardata； struct node if next； }a，b，*p：&a，*q=&b；
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有如下程序： #include＜iostream＞ using namespace std； class MyClass{ public： MyClass(){++count；} ～MyClass(){--count；} static int getCount(){return count；} private： static int count； }； int MyClass：：count=0； int main(){ MyCl
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听力原文：V: Could you tell me a bit about quality control at the factory？
P: Well, there are four main quality control inspection points. We begin by visiting our suppliers to make sure we are happy with their quality control. Next, we inspect all goods in on arrival at our factory and the third inspection point is during production. And the final stage is chemical analysis of our finished goods.
V: And what do you look for at each of the four inspection points？
P: Well each stage is different. With our suppliers, for instance, we inspect their QC processes and, even more importantly, their factory hygiene. If we're not happy with their hygiene, we'll cancel the supply contract. At the goods in stage we make sure that order quantities are correct and the quality is OK. We also check the transport packaging. If the packaging is dam aged, the warehouse shelf-life can be reduced. V: And what quality checks do you run during production？
P: We take samples to check there isn't too much cooking oil on the snack and that each snack has the minimum amount of flavouring. We also check the size of the snacks and their crispness. If the snacks are too oily, they go soft.
V: So that leaves the finished goods. What do you check for at the final QC stage？
P: We check individual bags to make sure that the packet weight is above the acceptable minimum and that the packet is sealed properly. We also check the taste.
V: And how do you do that？
P: Well, we eat them. How else？ We also do chemical analysis to check things like fat levels and other information that we have to put on the packets.
● You will hear a conversation about quality control.
● For each question 23--30, mark one letter (A, B or C) for the correct answer.
● After you have listened once, replay the recording.
How many are there quality control inspection points？
听力原文：M: OK, Ms. lee. Could you give me an idea about the workforce in Singapore？
F: Yes, sir. A total of 11% of the workforce are professional or technical workers. And a further 6% are employed in administrative jobs.
M: What about people like you who have clerical or office jobs？
F: Well, 13% of the workforce work as office clerks, secretaries, typists and receptionists.
M: Well, how about jobs in production...
● For questions 1-8 you will hear 8 short recordings.
● For each question, mark one letter (A, B or C) for the correct answer.
What percentage of the workforce in Singapore are for clerical or office jobs？
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