问题
选择题
一个池塘有生产者(浮游植物)、初级消费者(植食性鱼类)、次级消费者(肉食性鱼类)和分解者(微生物)。其中生产者固定的全部能量为a,流入初级消费者、次级消费者和分解者的能量依次为b、c、d,下列表述正确的是[ ]
A.a=b+d
B.a>b+d
C.a<b+d
D.a<c+d
答案
答案:B
一个池塘有生产者(浮游植物)、初级消费者(植食性鱼类)、次级消费者(肉食性鱼类)和分解者(微生物)。其中生产者固定的全部能量为a,流入初级消费者、次级消费者和分解者的能量依次为b、c、d,下列表述正确的是[ ]
A.a=b+d
B.a>b+d
C.a<b+d
D.a<c+d
答案:B
完形填空 | ||||
![]() Taiwan's singer Jolin Tsai is famous__1__her songs and dances, but do you know that she's also good at English? She's going to release her English album and book to her fans. Teens__2__ her recently. Q: Why did you make the English album Love Exercise(爰的练习语) ? A: I want to __3__ the nice English songs with everyone else.It's a remake of 10 classic songs, but I understand them in my own way.You can listen to hits such as Get the Party Started and Kiss Me. I find that people can learn language when they are__4__ .For example, I learn Cantonese very __5__when I watch Hong Kong soap operas.I__6__ my fans can learn English with my songs. Q: You will also release an English book at __7__ same time. What's that about? A: lt's my,__8__English book. In this one,1 want to talk about the expressions of love that are in my English songs. They'll know how to put the sweetness and__9__Of love into English words.Besides,1 will also talk about the troubles of _10__a public person.
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