【多选题】【消耗次数：1】
壤微生物是土壤中最原始的活有机体，它们对植物生长的作用主要是
①
A分解的机质
②
B合成腐殖质
③
C转化土壤中难溶的矿质养分
④
D促进物质在土壤中的运输
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【单选题】
（ ）是指生物有机质在微生物作用下，通过生物化学反应，最终形成一种类似腐殖质的过程。产物可用作肥料或土壤改良剂。
①
A.填埋
②
B.焚烧
③
C.堆肥
④
D.破碎
随机题目
【单选题】
A: How are you doing？B: [填空].
①
Good night
②
Not so bad. And you?
③
I m pleased.
④
How do you do?
【单选题】
A: Would you like me to feed your cats while youre on your holiday? B: [填空].
①
I appreciate it, but Ive already fed them
②
No problem, I was more than glad to do it
③
Thanks for offering your help, but my sisters going to do it
④
Certainly, feeding cats is my favorite pastime
【单选题】
A: I missed yesterdays basketball final. B: [填空]
①
What a pity!
②
Its a good idea.
③
Remember to bring it next time.
④
Im glad to hear that.
【单选题】
A: May I use your dictionary for a moment? B: [填空].
①
Its well
②
It doesnt matter
③
By all means
④
Here you are
【单选题】
A: Are you feeling better today? B: [填空].
①
There must be something wrong
②
Just have a good rest
③
Yes, thank you, doctor. But I still dont feel good
④
Dont worry about me
【单选题】
A: How about going to dinner at the Mexican restaurant tonight? B: [填空].
①
I like Mexican food
②
Id like to, but I already have plans for tonight
③
Forget it
④
I dont know
【单选题】
A: Bob, [填空]? B: Thats my friend! And beside him, his partner.
①
what is the person over there
②
whos talking over there
③
what are they doing
④
which is that
【单选题】
A: She is running a fever, but now it is under control. B: [填空].
①
She is running fast
②
Her mother does not run
③
She is running away from home
④
I will go and see her after work
【单选题】
A: I won the 100 metre race. B: [填空].
①
Best wishes
②
Good luck
③
Right
④
Congratulations
【单选题】
A: Sir, do all the buses go downtown?B: [填空].
①
No，never mind
②
Sorry，Im new here
③
Pretty well，I guess
④
Wow，you got the idea