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【单选题】
Which of the following are goals of the United Nations?A.
Maintenance of peace and security in the world.
B.
Promotion of economic and social cooperation.
C.
Protection of human rights.
D.
All of the above.
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【多选题】下列关于污染水体溶解氧浓度昼夜变化的描述正确的是()。
A.
当水体刚被污染时，溶解氧浓度昼夜差异小
B.
当水体刚被污染时，溶解氧浓度昼夜差异大
C.
随着水体自净作用的进行，溶解氧浓度昼夜差异增大
D.
随着水体自净作用的进行，溶解氧浓度昼夜差异减小
【单选题】The shop______ its summer stock to be ready for the new winter goods.A．sold outB．sold downC．sol
A.
281. The shop______ its summer stock to be ready for the new winter goods. A．sold out
B.
sold down
C.
sold off
D.
sold short
【简答题】性状变异在群体中呈不连续分布的称为_________,呈连续分布的称为_________,后者分布曲线为_________。
【单选题】下列程序段的执行结果为 Dim M(10) For k=1 To 10 M(K)=11-k Ncxt k x=6 Print M(2+M(x))
A.
2
B.
3
C.
4
D.
5
【简答题】性状变异在群体中呈不连续分布的称为_____________性状,呈连续分布的称为_____________性状。
【单选题】下列程序段的执行结果为 Dim A(10， 10) For I=2 To 4 For J=4 To 5 A(I，J)=I*J Next J Next I Print A(2， 5)+ A(3， 4) + A(4， 5)
A.
22
B.
42
C.
32
D.
52
【单选题】Posted April 10 Part-Time Help Wanted Hanoi Sporting Goods Co. 2 Lam Son Square St, Dl, Hanoi, Vietnam Phone: (844) 9703744 Hanoi Sporting Goods has a job opening for part-time help starting in June. ...
A.
Working hours are flexible.
B.
The job includes some computer use.
C.
Candidates must be available to start work on May 10.
D.
Applicants should apply in person at the store.
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