If Finn was 18 months old one year ago, how old was he, in months, x months ago ？（）
A: x-30
B: x-12
C: 18-x
D: 24-x
E: 30-x
A: x-30
B: x-12
C: 18-x
D: 24-x
E: 30-x
E
举一反三
- How old was the baby? A: 15 months B: 16 months C: one year old D: one year and a half old
- When was the woman hired A: One week ago B: Two weeks ago C: Two months ago D: Six months ago
- 已知x = 5，那么执行语句x *= 6之后，x的值为（） A: 18 B: 6 C: 30 D: 24
- _____ months are there in a year? A: How old B: How much C: How many D: How often
- X为随机变量，E（X）=-1，D（X）=3，则E{3（X^2）+20}=（）？ A: 18 B: 9 C: 30 D: 32
内容
- 0
Alison is now three times as old as Jeremy, but 5 years ago, she was 5 times as old as he was. How old is Alison now A: 10 B: 12 C: 24 D: 30 E: 36
- 1
If only he ______ you the truth months ago!
- 2
The appropriate age for unilateral cleft lip repair is ( ) A: one to two months old B: three to six months old C: one to two years old D: three to six years old
- 3
X为随机变量，E(X)=-1,D(X)=3,则[img=105x27]17de66c4ef75d99.png[/img] A: 18 B: 9 C: 30 D: 32
- 4
在SQL语句中,与x in (20, 30) 等价的表达式是( )。 A: x=20 and x=30 B: x>20 and x<30 C: x>20 or x <30 D: x=20 or x=30