—First,wash the vegetables and _______.
例
,计算888-99=888-100=888-101=
美国有一种蝉,每17年才叫一次,像钟表一样准确。这种蝉为什么选择在地下生活那么多年?原来,周期蝉最早出现在大约180万年前,那个时候北美正处于冰河期,气候极不稳定,经常会遇到冷夏。①,假如它们出土后正好遇到低温,就死定了。科学家经过计算发现,假如在1500年的时间里每50年出现一次冷夏,那么7年蝉的成活率是7%,11年蝉的成活率是51%,17年蝉则是96%。显然,②。
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how you thank too be |
A:Good morning.
B:Good morning.
A:My name Wang Fang. What's name?
B:Zhao Min.
A:Nice to meet you.
B:Nice to meet you,.
A:are you?
B:I am fine. Thank you. And you?
A:I'm fine, too. .


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,
.
Ⅰ
若
,求实数m的范围;
Ⅱ
若
,求实数b的取值范围.
据此回答下题:
若图中黑色区域代表亚洲,能准确表示亚洲地理位置的是( )
B .
C .
D .
(1)求实数k的值;
(2)设g(x)=log4(a•2x+a),若f(x)=g(x)有且只有一个实数解,求实数a的取值范围.
The film for 5 minutes.