合同争议的解决方式通常有（）。A、调解， B、仲裁， C、索赔， D、诉讼， E、和

防尘防毒工作对用人单位保护工作场所劳动者职业健康至关重要，就防毒工作而言，用人单位应优先采取的措施是（）。

A．防毒通风控制措施

B．使用无毒或低毒的原材料

C．高效的个体防护措施

D．生产工人轮岗操作

某射手每次射击击中目标的概率是0.8，则这名射手在3次射击中恰好有1次击中目标的概率是______．

阅读下面课文段落，按照句子结构的语法性和上下文的连贯要求，空格处各填入一个适当的单词，使短文通顺完整。请将答案写在二卷答题纸上。

◣ A ◢

(Book 8  Unit 1 California)

GOLD MINERS

In 1848, not long after the American-Mexican war, gold was discovered in California. The dream of becoming   小题1:  quickly attracted people from all over the world. The nearest, and therefore the first to arrive,   小题2: South Americans and people from the United States. Then adventurers from Europe and Asia soon followed. In fact, few achieved their  小题3:  of becoming rich. Some died or returned home, but most remained in California to make a life for themselves despite great hardship. They   小题4: in the new towns or on farms. By the time California elected to become the thirty-first federal   小题5: of the USA in 1850, it was already a multicultural society.

◣ B ◢

(Book 8  Unit 3 The problem of the smakes)

When I called up my mother in the countryside on the telephone she was very upset. “There are some   小题6: in our courtyard,” she told me. “Snakes come near the house now and   小题7: , and they seem to have made their home here, not far from the walnut tree. Can you   小题8: rid of them please?” I felt very proud. Here was a chance for me to   小题9: myself by inventing something merciful that would  小题10:  snakes but not harm them. I knew my parents would not like me to hurt these living creatures!

有关鞍内颅咽管瘤的描述中，错误的是（）

A.由胚胎颅咽囊残留上皮发生

B.可呈囊性或实性

C.实性区形似造釉细胞瘤

D.不出现鳞状上皮团

E.可破坏垂体和下丘脑引起侏儒症

以下程序输出1到1000之间所有的偶数之和，请补充完该程序。
Private Sub Cotmand1_Click()
Dim x As Double
For i=0 To 1000
If______ Then
x=x+ i
End If
Next i
Print x
End Sub

A．i Mod 2= 0

B．x mod 2=0

C．I mod 2＜＞0

D．x mod 2＜＞0