How did Ed's father help Ed play soccer?
A: buy a soccer for Ed
B: send Ed to a soccer team
C: make a soft ball for him to kick
D: make a soccer for Ed
A: buy a soccer for Ed
B: send Ed to a soccer team
C: make a soft ball for him to kick
D: make a soccer for Ed
C
举一反三
- ask(ed) A: want(ed) B: pleas(ed) C: carri(ed) D: help(ed)
- Traditionally, people send ______ to their mother on Mother's Day. A: ed roses B: ed lilies C: ed forget-me-nots D: ed carnations
- 可靠安全系数是指（） A: LD/ED B: ED/LD C: LD/ED D: LD/ED E: ED/LD
- 安全界限为（） A: LD B: ED C: LD/ED D: LD/ED E: LD/ED
- 需求富有弹性表示为()。 A: Ed＞0 B: Ed＜0 C: Ed＞1 D: Ed＜1
内容
- 0
半数有效量为（） A: LD B: ED C: LD/ED D: LD/ED E: LD/ED
- 1
根据病因，男性勃起功能障碍（ED）可分为： A: 心理性ED B: 器质性ED C: 境遇性ED D: 完全性ED
- 2
需求的单一弹性指： A: Ed=1 B: Ed>1 C: Ed=0 D: 0<Ed<1
- 3
劳动力需求富有弹性表示为() A: Ed>0 B: Ed<0 C: Ed>1 D: Ed<1
- 4
商品需求缺乏价格弹性，即（） A: Ed＞1 B: Ed＜0 C: 0＜Ed＜1 D: Ed＜1