下列市场调查方式中，（）适用于调查总体庞大，调查者能准确地选择有代表性单位的情况。A.全面调查

This forecast states that winds will______.

A．slow down at night

B．be from south to east

C．bring heavy rain on Sunday

D．be from different directions

This forecast states that winds will ______.

A．slow down at night

B．be from south to east

C．bring heavy rain on Sunday

D．be from a different direction on the coast than in the city

This forecast states that winds will ______.

A．slow down at night

B．be from south to east

C．bring heavy rain on Sunday

D．be from a different direction on the coast than in the city

听力原文：W: I missed the weather forecast. What does it say about tomorrow？

M: The forecast for the next day is morning showers with increasing winds from the north, bringing a good chance of thunderstorms. High temperature's around 37 degrees Celsius.

Q: what doesn't the forecast say about the weather tomorrow？

(16)

A．Shower.

B．Thunderstorm.

C．High temperature.

D．Fog.

关于链球菌溶素，不正确的说法是

A、分为SLO和SLS两种

B、绝大多数A群链球菌株和许多C、G群菌株能产生SLO

C、SLO对中性粒细胞有破坏作用

D、SLO抗原性强，感染后患者机体产生抗SLO抗体

E、SLS遇氧时失去溶血能力

A．reach a low point

B．depend on NATO operations

C．depend on bilateral economic cooperations

D．get warmer and better.

The Gulf of Guinea is strategically important to the United States because ______.

A．roughly 15% of oil production of West Africa is supplied to the United States

B．West African reserves are forecast to reach the Persian Gulf size

C．its oil can help lessen U.S. dependence on Middle Eastern oil

D．its waters border Cameroon, Congo, Gabon, Equatorial Guinea and Nigeria

The Gulf of Guinea is strategically important to the United States because ______.

A．roughly 15% of oil production of West Africa is supplied to the United States

B．West African reserves are forecast to reach the Persian Gulf size

C．its oil can help lessen U.S. dependence on Middle Eastern oil

D．its waters border Cameroon, Congo, Gabon, Equatorial Guinea and Nigeria

The Gulf of Guinea is strategically important to the United States because ______.

A．roughly 15% of oil production of West Africa is supplied to the United States

B．West African reserves are forecast to reach the Persian Gulf size

C．its oil can help lessen U.S. dependence on Middle Eastern oil

D．its waters border Cameroon, Congo, Gabon, Equatorial Guinea and Nigeria

A．hesitate to upgrade their computers

B．abandon online shopping

C．buy them from other states

D．strongly protest against such a charge