雪上一枝蒿的内服用量是（）。 A．0.015～0.3g B．0.002～0.004g

春性小麦品种播种出苗的最适日均温为()

A、5-10℃

B、10-12℃

C、14-16℃

D、20-25℃

He used ________ on the right in China, but he soon was used ________ on the left in England.

A．to drive, to drive

B．to drive, driving

C．to driving, to drive

D．to drive, to driving

However weak your memory may be, you can make up for it by ______ what you want to remember, and repeating it over and over again.

A．gaining access to

B．attending closely to

C．taking advantage of

D．getting the better of

象征性交货(Symbolic Delivery)是指在CFR、CIF两种术语下，卖方在装运港装货后，向买方提交了合同规定的单据，就完成了交货义务的法律特征，也称“单据买卖”。 ( )

有如下程序　　#include＜iostream．h＞　　void main( )　　{　　　float x=2．0，y；　　　if(x＜0．0)y=0．0；　　　else if(x＜10．0)y=1．0/x；　　　else y=1．0；　　　cout ＜ ＜ y；　　}　该程序的输出结果是（ ）。

A． 8K

B． 16K

C． 32K

D． 64K