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【单选题】
急性有机磷农药中毒引起的毒蕈碱样症状是（）。A.
肌束颤动
B.
血压升高
C.
瞳孔缩小
D.
大小便失禁
E.
心律失常
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A.
of； for
B.
of； of
C.
for；of
D.
for； for
【单选题】It is very kind _____ you to help me with my lessons because it is very difficult _____me to learn them well.
A.
of； for
B.
of； of
C.
for；of
D.
for； for
【单选题】船舶在航行中要求____校准驾驶台天文钟和GMDSS 相应设备的时钟。(130170:第1章 GMDSS系统概述) (A-0,B-0,C-0,D-0,错误-0)
A.
每天
B.
一周
C.
一个月
D.
三个月
【单选题】It is very kind ____ you to help me with my lessons. It is hard ____ me to learn them well.
A.
of; for
B.
of; of
C.
for; of
D.
for; for
【单选题】It is very kind ______ you to help me with my lessons. It is difficult ______ me to learn them well. [ ]
A.
of, of
B.
for, of
C.
of, for
D.
for, for
【简答题】IEEEE802.15.4标准定义的无线个域网具有哪些特点?
【单选题】He is always kind ____ others. It is very kind ____ him.
A.
of, to
B.
to, of
C.
to, to
D.
of, of
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