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【单选题】
德国土壤学家创立的()学说,为植物营养和施肥奠定了理论基础。A.
地质土壤
B.
土壤发生
C.
土壤圈
D.
矿质营养
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举一反三
【单选题】Speaker A: I'm tired. Maybe we can finish it tomorrow. Speaker B:__________ We could do it first thing tomorrow morning.
A.
Why not!
B.
Can we?
C.
You sure'?
D.
Shall we?
【单选题】-- I think it's going to be a big problem.-- Yes, it could be. I wonder ________ we can do about it.
A.
if
B.
how
C.
what
D.
that
【单选题】— I wonder _ _. — I'm afraid we'll be late.
A.
how we can be on time
B.
what we are going to do
C.
why we get to school late
D.
if we will arrive at the meeting on time
【简答题】5 类双绞线的最大传输速率为 Mbps 。
【单选题】--Shall we go to visit Uncle Lee this weekend? --_________. I wonder whether I will be free that day.
A.
It doesn’t matter
B.
It all depends
C.
I’m afraid we should
D.
I don’t mind
【多选题】下列说法错误的是（ ）。
A.
在金本位制度下，汇率波动是有一定界限的，超过界限的，政府就应该干预
B.
特别提款权的币值是按美元、德国马克、日元、法国法郎、英镑五种货币的算术平均数计算的
C.
经济处于高涨期的国家处于进口大幅度增加，其国际收支必然是逆差
D.
国民收入减少往往会导致贸易支出和非贸易支出下降
【单选题】I certainly agree ______ your proposal. But I wonder if we two and the other members of the board will agree _____ the steps for the coming year. [ ]
A.
to ; with
B.
to ; on
C.
on ; with
D.
on; on
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