[判断题]头肩顶形态一般出现在一段升势的尽头。( )

[判断题]头肩顶形态一般出现在一段升势的尽头。( )

[多项选择]头肩顶形态是一个长期趋势的转向形态，一般出现在一段省市的尽头。这一形态具备的主要特征有( )。
A. 一般而言，左肩与右肩大致相等
B. 就成交量而言，左肩最大，头部次之，右肩最小
C. 一般而言，左肩都高于右肩
D. 突破颈线不—定需要大成交量的配合，但日后继续下跌时，成交量会放大
E. 就成交量而言，右肩最大，头部次之，左肩最小

[单项选择]计算机病毒是一段程序，一般隐藏在（）中。
A. 控制器
B. 运算器
C. 只读存储器
D. 可执行文件

[单项选择]18米长的竹竿被截成两段，短的一段是长的一段的4/5，那么，短的一段有多少米长( )
A. 7．5米
B. 8米
C. 8．5米
D. 9米

[单项选择]一根长18米的钢筋被锯成两段，短的一段是长的一段的4/5，问短的一段有多少米长？（）
A. 7.5米
B. 8米
C. 8.5米
D. 9米

[单项选择]两根绳子，长的一段是24米，短的一段是18米。两根都截去相同长度的一段后，长的绳子的长度是短绳子长度的4倍。剪短后，长的绳子有多少米( )
A. 6米
B. 2米
C. 8米
D. 4米

[单项选择]

听下面一段对话，回答下列问题。
 

听下面一段对话，回答下列问题。

听下面一段对话，回答下列问题。
W: Hi, Bill, can you tell me how it happened
M: Sure. I was mountain climbing in New Hampshire in 1982. Suddenly the weather became really bad. There was a lot of snow and we couldn’t see anything. We got lost. Well, we spent four days on the mountain. The temperature was 20 degrees below zero, We didn’t have any equipment or food.
W: So what happened I guess someone found you, right
M: Yes, but we were very sick. I couldn’t move my legs because of the cold. f spent two months in the hospital. The doctors removed my legs.
W: Right. So you lost your legs, but you want to try your best to stay active.
M: That’s right. In fact, I decided to make some new legs for myself. I realized that no one had to be physically disabled. We can use modern technology to help us.
W: And you built these great new legs. Can you go mountai
A. Design new climbing shoes.
B. Establish a club for the disabled.
C. Use technology to fight his disability.

[单项选择]

听下面一段对话，回答下列问题。
 

听下面一段对话，回答下列问题。
W: Hi, Bill, can you tell me how it happened
M: Sure. I was mountain climbing in New Hampshire in 1982. Suddenly the weather became really bad. There was a lot of snow and we couldn’t see anything. We got lost. Well, we spent four days on the mountain. The temperature was 20 degrees below zero, We didn’t have any equipment or food.
W: So what happened I guess someone found you, right
M: Yes, but we were very sick. I couldn’t move my legs because of the cold. f spent two months in the hospital. The doctors removed my legs.
W: Right. So you lost your legs, but you want to try your best to stay active.
M: That’s right. In fact, I decided to make some new legs for myself. I realized that no one had to be physically disabled. We can use modern technology to help us.
W: And you built these great new legs. Can you go mountain climbing again
M:
A. Low temperature.
B. Terrible weather.
C. An unsuccessful operation.

[填空题]响应某个事件后所执行的操作通过一段程序代码来实现，这样的一段程序代码叫做 【6】 。

[判断题]将钢加热到A₁线以下，一般为750℃～800℃，保温一段时间后缓慢冷却(一般随炉冷)以消除残余应力的热处理工艺，称为消除应力退火。( )