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【多选题】
下列关于PCV阀的相关叙述,正确的是A.
PCV阀是排放控制的装置之一,避免曲轴箱窜气排入大气
B.
曲轴箱窜气的主要成分是CO
C.
若PCV阀堵塞则窜气就不能够被吸入进气歧管,而是排放到大气当中
D.
若无异常情况,则无需定期检查PCV阀
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举一反三
【单选题】Question 5 to 7 will be based on the following news item.
A.
To show respect for low-paid factory workers.
B.
To show people's hope for a better life.
C.
To show the strength of labor organizations.
D.
To celebrate the effort and love for work.
【单选题】Question 5 to 7 will be based on the following news item. 5.
A.
10 years old.
B.
13 years old.
C.
16 years old.
D.
17 years old.
【单选题】Question 5 to 7 will be based on the following news item. 5.
A.
In 1920.
B.
In 1979.
C.
In 1981.
D.
In 1987.
【简答题】w____ n. 目击者;证据 vt. 注意到;证明
【单选题】Question 5 to 7 will be based on the following news item.
A.
Getting high skilled people.
B.
Promoting company's technology.
C.
Finding enough employees.
D.
Increasing members of immigrants.
【单选题】Question 5 to 7 will be based on the following news item.
A.
The number of them decreases dramatically.
B.
They mainly move from south states.
C.
They come to Chicago without work visa.
D.
The number fo them increases after the recession.
【简答题】以下程序的执行结果为【 】。 include＜iostream＞ using namespace std； void overload(int num) { cout＜＜num＜＜end1； } void overload(char ch) { char c=ch+1； cout＜＜c＜＜end1； } int main() { overload('X')； return 0； }
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