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【多选题】
如何使用Zigbee协议栈?以简单的无线数据通信为例,其有哪些步骤( )
A.
组网 :调用协议栈组网函数、加入网络函数,实现网络的建立和节点的加入
B.
发送 :发送节点调用协议栈的发送函数,实现数据无线发送
C.
接收 :接收节点调用协议栈的无线接收函数,实现无线数据接收
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【多选题】能养心阴的药物是()
A.
人参
B.
玉竹
C.
麦冬
D.
百合
E.
黄精
【单选题】关于葡糖糖说法不正确的是 ( )
A.
可发生酒石酸铜反应
B.
需检查铁盐含量
C.
药用左旋体
D.
需要检查可溶性淀粉
E.
采用旋光度法测定其注射液含量
【多选题】能养心阴的药物是()
A.
人参
B.
山药
C.
麦门冬
D.
百合
E.
黄精
【单选题】Great changes in our city last year.
A.
happen
B.
happened
C.
take place
D.
took place
【单选题】关于葡萄糖的说法不正确的是( )
A.
葡萄糖的化学性质活泼
B.
葡萄糖具有醛和醇的双重性质
C.
葡萄糖属于还原性糖
D.
葡萄糖为多羟基的酮类
【多选题】能养心阴的药物是:
A.
人参
B.
山药
C.
麦冬
D.
百合
E.
黄精
【单选题】Our city has changed a great deal,It doesn’t even resemble ___.
A.
the one of three years ago
B.
one three years ago
C.
the one since three years
D.
one from three years
【单选题】Our city___a great deal. It doesn’t resemble the one of three years ago.
A.
change
B.
has changed
C.
is changing
D.
will change
【单选题】With economy developing at great speed, our city has _____ quite a few changes in recent years.
A.
witnessed
B.
accumulated
C.
arisen
D.
introduced
【单选题】There great changes in our city in the past 10 years.
A.
were
B.
had
C.
have been
D.
have had
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